現(xiàn)在時(shí)態(tài)基本形式課件

1、Unit one Grammar and usageWho is he?He is Zhao Benshan.What does he do?He is a comedian.What is he doing?He is performing. Whats this?Its the Great Wall in Beijing.Have you ever visited it?Yes, I have. I have visited it twice.Have you ever stood on this stage?No, I havent, but I have been looking fo

2、rward to that day.Do you want to study in this university?Yes, we have been expecting to study there for ages.Tenses related to present1. The simple present tense2. The present continuous tense3. The present perfect tense4. The present perfect continuous tense現(xiàn)在時(shí)態(tài)基本形式時(shí)態(tài)語態(tài)一般現(xiàn)在時(shí)主動 被動 現(xiàn)在進(jìn)行時(shí)主動被動現(xiàn)在完成時(shí)主動被

3、動現(xiàn)在完成進(jìn)行時(shí)主動被動am/is/are; do/doesbe (am/is/are) doinghave/has donehave/has been doingam / is / are doneam / is / are being donehave / has been doneXI. the present tense 1 表示客觀事實(shí)或普通真理.(不受時(shí)間限制) 1) The geography teacher told us the earth moves around the sun. 地理老師告訴我們地球繞著太陽轉(zhuǎn)。 2) Japan lies to the east of

4、China. 日本位于中國的東方。 3) The sun rises in the east and sets in the west. 太陽東升西落。 4) A couple of days ago, I learnt from my teacher that the earth _ (be) a planet around the sun.is2 表示現(xiàn)在經(jīng)常或反復(fù)發(fā)生的動作或存在的狀態(tài),常和often, always, usually, sometimes, everyday, once a week 等表示頻率的時(shí)間狀語連用. He takes a walk after supper

5、every day. 他每天晚飯后散步。 My mother _ (work) at the same company as my father. 我母親和父親在同一家公司工作。 We always _ for each other and _ each other. 我們總是相互關(guān)心相互幫助。workscarehelp3 表示主語的特征、性格、能力等。 1) Mr. Smith hates fish and never eats any. 斯密斯先生討厭魚而且從來不吃。 2) Mary _ both English and French very well. 瑪麗英語和法語都說的很好。 3)

6、 I _ ping-pong quite well, but I havent had time to play since the new year. (NMET 2019) A. will play B. have played C. played D. playspeaks4 表示安排或計(jì)劃好的肯定會出現(xiàn)或按時(shí)間表、議事日程將要發(fā)生的動作或狀態(tài)。 1) The plane takes off at 10:00 a.m. 飛機(jī)上午10點(diǎn)起飛。 2) Tomorrow is Wednesday. 明天是星期三。 3) -Can you tell me when the train _ for

7、 Shanghai, sir? -Of course, I can. It _ half an hour ago. A. leaves; left B. will leave; leaves C. will leave; left D. leaves; has left 4) The film _ quite early. So we _ to the bookstore after that. （2019重慶，28） A. finished; are going B. finished; go C. finishes; are going D. finishes; to5. 在時(shí)間、條件狀語

8、從句中用一般現(xiàn)在時(shí)表示將來的動作。 We will have to put off the sports meeting providing it rains tomorrow. 如果明天下雨我們將不得不推遲會議。 I cant leave unless my boss agrees. 除非老板同意，否則我不能走。 Notes: if 引導(dǎo)的條件狀語從句中可以用shall 或will 表示意愿，但不表示時(shí)態(tài)。 If you will accept my invitation and come to our party, my family will be pleased. 你知道條件狀語從句常

9、用些什么引導(dǎo)詞嗎?! 常用的引導(dǎo)條件狀語從句的連詞有：unless(除非)， in case (萬一), as/so long as / while(只要), on condition that(以為條件，只要), if, provided / providing that, supposing / suppose that , assuring that, granted / granting that, on the understanding that，in the event that (如果、假設(shè)) You can go out to play as long as you _ (s

10、tay) in the back yard. He can use the bicycle on condition that he _ (return) it tomorrow. Supposing / Suppose he _ ( be) absent, what shall we do? In the event (that) she_, (inform) I will tell her. 例句stayreturnsishas not been informed 你知道引導(dǎo)時(shí)間狀語從句的是哪些連詞嗎?! 1. 表示“當(dāng)時(shí)候， 在時(shí),” 的有：when, whenever, each ti

11、me, every time, next time, the first time, any time, the morning, the afternoon, the evening, the night, the day, the week, the month, the year, the spring, the summer, the autumn, the winter例如:1. Id like to see you whenever it is convenient. 2. Each time I meet him, he will give me some advice.3. -

12、Can I join your club, Dad? -You can when you _ a bit older. (NMET 1994) A. get B. will C. are getting D. will have gotA 2. 表示“一就”的連詞有：as soon as, the moment, the minute, the second, the instant, directly, immediately, instantly例句:1) Ill return the book to him the moment I see him next week. 2) Hell

13、e-mail you immediately he gets to New York. 3) Zhou Lan is sure to help you the moment _ his work. A. he will finish B. he finishes C. he finished D. he has finished 3. Before 在之前, after在之后, until直到, once一旦1) It will be a long time _ Frank _ back from abroad. A. before; comes B. since; has come C. w

14、hen; will come D. after; will 2) -Was his father very strict with him when he was at school? -Yes. He had never praised him _ he became one of the top students in his grade. (03春招) A. after B. unless C. until D. when 3) Scientists say it may be five or six years _ it is possible to test this medicin

15、e on human patients. (04福建) A. since B. after C. before D. when 6. 用一般現(xiàn)在時(shí)表將來的特別句型和短語1) 句型see to it that, make sure that和hope等從句中的動詞都常用現(xiàn)在時(shí)表將來 Ill see to it that I _ the reference book on time. A. return B. could return C. have returned D. will return Please make sure the windows _ closed. A. is B. ar

16、e C. will be D. be 2) 一些介詞短語的現(xiàn)在時(shí)可以表達(dá)將來的動作或狀態(tài)。如：be at hand, be well on the way, in store etc.(1) The Spring Festival is at hand. = The Spring Festival is coming. = The Spring Festival is on the way. (2) The building is well on the way to being completed.AB一般現(xiàn)在時(shí)的基本用法你記住了嗎?!1 表示客觀事實(shí)或普通真理.(不受時(shí)間限制)2 表示現(xiàn)在

17、經(jīng)常或反復(fù)發(fā)生的動作或存在的狀態(tài),常和often, always, usually, sometimes, everyday, once a week 等表示頻率的時(shí)間狀語連用.3 表示主語的特征、性格、能力等。4 表示安排或計(jì)劃好的肯定會出現(xiàn)或按時(shí)間表、議事日程將要發(fā)生的動作或狀態(tài)。5. 一些介詞短語的現(xiàn)在時(shí)可以表達(dá)將來的動作或狀態(tài)。如：be at hand, be well on the way, in store etc.; 特別句型see to it that用現(xiàn)在時(shí)表將來.6. 在時(shí)間、條件狀語從句中用一般現(xiàn)在時(shí)表示將來的動作。The sun _ .The man _ .is ris

18、ingis walkingII. Present continuous tense 1. 表示說話時(shí)正在進(jìn)行的動作(時(shí)間點(diǎn)動作) ,表明動作未完成。延續(xù)性動詞有暫時(shí)性含義。 -what are you doing? -I am writing a letter. It s raining heavily now, so we must stay inside.The water _ .is boiling2. 表示現(xiàn)階段一直在進(jìn)行的(時(shí)間段)動作。 Jane is studying law while her sister is doing physics. 簡在學(xué)習(xí)法律而她的姐姐在學(xué)習(xí)物理。

19、 He is teaching English and learning Chinese. 他正在一邊教英語一邊學(xué)中文。-Is this raincoat yours? -No, mine _ there behind the door. (NMET 2019) A. hangs B. has hung C. is hanging D. hung3. 表示按計(jì)劃、方案或安排而進(jìn)行的將來的動作。在這種情況下謂語動詞多為非延續(xù)性動詞，如come，go， leave，move，die，start，stop，arrive等，及少數(shù)延續(xù)性動詞，如spend，stay等。(1) She is leavin

20、g for Guangzhou next week(2) We are spending the whole summer holiday in Beijing soon(3) I _ Mr. Wang tonight. 我今晚要去見王先生。(4) I _ to Qingdao for the summer holiday this year. 我計(jì)劃今年去青島過暑假。 am meetingam going4. 與always often forever often等頻度副詞連用表示經(jīng)常反復(fù)的行為或贊揚(yáng)、厭煩、生氣等情緒。 The girl is always talking loud in

21、public. 那個(gè)女孩總愛當(dāng)眾大聲喧嘩。 She is often borrowing money and forgetting to pay me back. 她經(jīng)常借錢卻忘記還。 She is constantly complaining about her fate. 她不停地抱怨自己的命運(yùn)不好。You _ things about. Look, what a mess in your big study! A. always throw B. have always thrown C. have always been throwing D. are always throwing

22、Notes: 以下四類動詞不宜用現(xiàn)在進(jìn)行時(shí)。A 表示心理狀態(tài)、情感的動詞 Like, love, hate, care, remember, believe, want, mind, wish, agree, mean, needB 表示存在狀態(tài)的動詞 be, appear, exist, lie, remain, seem, belong to, depend onC 表示瞬間動作的動詞 allow, accept, permit, promise, admit, completeD 表示感官的動詞 see, hear, notice, smell, sound, taste, look (

23、但是feel，see(接見)，hear(聽)可用進(jìn)行時(shí)) 1. He _ not deaf, instead, he _ very well. 2. -Youre drinking too much. -Only at home. No one _ me but you. A. is seeing B. had seen C. sees D. sawishearsC(2) The writer _ (write) a novel these days(3) Recently the number of people fined for speaking on their mobile phon

24、es while they _ (drive) has increased greatly. 現(xiàn)在進(jìn)行時(shí)的一些特殊含義1) 表示目前反復(fù)發(fā)生的動作或者表示“在做某事的過程中”，然而此時(shí)動作不一定正在進(jìn)行之中(1) But scientists are working hard to turn them into realitiesis writingare drivingHow are you feeling today？ = How do you feel today？ 3) 表達(dá)婉轉(zhuǎn)語氣 I am hoping to hear from you soon 2) 有些表示身體感覺的動詞，如h

25、urt，ache， feel等使用現(xiàn)在進(jìn)行時(shí)和一般現(xiàn)在時(shí)區(qū)別不大。你能說出現(xiàn)在進(jìn)行時(shí)的基本用法了嗎?!1. 表示說話時(shí)正在進(jìn)行的動作(時(shí)間點(diǎn)動作) ,表明動作未完成。延續(xù)性動詞的進(jìn)行式反而是暫時(shí)性短暫性含義。2. 表示現(xiàn)階段一直在進(jìn)行的(時(shí)間段)動作。3. 表示按計(jì)劃、方案或安排而進(jìn)行的將來的動作。在這種情況下謂語動詞多為非延續(xù)性動詞，如come，go， leave，move，die，start，stop，arrive等，及少數(shù)延續(xù)性動詞，如spend，stay等。4. 與always often forever often等頻度副詞連用表示經(jīng)常反復(fù)的行為或贊揚(yáng)、厭煩、生氣等情緒。 III.

26、The present perfect tense1 表示反復(fù)發(fā)生的經(jīng)歷 He has hosted the show eight times. 他已經(jīng)連續(xù)八次主持表演。 Billy Crystal has been in many films and television shows. 貝利克克里斯托已經(jīng)出演過多部電影和電視劇。 We _ to the Great Wall many times. 我們已去過長城多次。have been2 表示動作發(fā)生在過去，但對現(xiàn)在仍留下某種后果和影響。 He has paid his income tax. 他已經(jīng)交了個(gè)人所得稅。 Doctors _ t

27、hat people who laugh a lot live longer! 醫(yī)生們已經(jīng)發(fā)現(xiàn)經(jīng)常大笑的人長壽。3 與持續(xù)時(shí)間連用表示動作發(fā)生在過去但持續(xù)到現(xiàn)在。 My mother has been ill for three days. 我媽媽已經(jīng)生病3天。 Most of us _ English for 5 years. 我們大部分人已經(jīng)學(xué)了5年英語了。have foundhave studied4 下列句型中常用現(xiàn)在完成時(shí)。 It is (has been) +一段時(shí)間 since +從句 This (that/ It ) is the first (second) time tha

28、t + 完成時(shí) This (That/ It) is the best/ finest / most interesting.+that+完成時(shí) Its/ It _ 3 years since they got married. Its the first time that I _ to the Great Wall. This is the most interesting film that I _. has beenhave beenhave seenNotes: 在時(shí)間或條件狀語從句中，要用現(xiàn)在完成時(shí)代替將來完成時(shí), 也可以用一般現(xiàn)在時(shí)。 If you have done the e

29、xperiment, youll understand the theory better. 如果你做完試驗(yàn)，你會更好地理解這個(gè)理論的。 Dont get off the bus until it _. 車停穩(wěn)之前，別忙著下車。has stopped / stops一般過去時(shí)與現(xiàn)在完成時(shí)的區(qū)分時(shí)間上有差異：凡有具體的過去時(shí)間，均用過去時(shí)態(tài)，不能用完成時(shí)態(tài)，如：ago, last year, just now, the other day 等?，F(xiàn)在完成時(shí)可跟不確定的過去時(shí)間、頻度時(shí)間和延續(xù)到現(xiàn)在的時(shí)間連用.結(jié)果上有差異：現(xiàn)在完成時(shí)強(qiáng)調(diào)的是對“現(xiàn)在”的影響和結(jié)果，動作到現(xiàn)在剛完成或還在繼續(xù)；一般過

30、去時(shí)強(qiáng)調(diào)的動作發(fā)生在過去，和現(xiàn)在沒有關(guān)系。I _ English at university for three years, but now Ive forgot it. A. have studied B. had studied C. studied D. would study你已經(jīng)記住了現(xiàn)在完成時(shí)的基本用法了嗎?1 表示反復(fù)發(fā)生的經(jīng)歷2 表示動作發(fā)生在過去，但對現(xiàn)在仍留下某種后果和影響。3 表示動作發(fā)生在過去但持續(xù)到現(xiàn)在。4 下列句型中常用現(xiàn)在完成時(shí)。 It is (has been) +一段時(shí)間 since +從句 This (that/ It ) is the first (se

31、cond) time that + 完成時(shí) This (That/ It) is the best/ finest / most interesting.+that+完成時(shí)與現(xiàn)在完成時(shí)連用的幾種時(shí)間狀語:1. 現(xiàn)在完成時(shí)往往同表示不具體或者不確定的過去時(shí)間狀語連用,如already, yet, just, before, recently, lately等1) He has already obtained a scholarship. 2) I havent seen much of him recently (lately) . 3) We _ that film before. 4) _

32、 they _ the missing child yet. have seenHavefound2. 現(xiàn)在完成時(shí)常常與表示頻度的時(shí)間狀語連用,如often, sometimes, ever, never, twice, three times, on several occasion等:1) Have you ever been to New York? 2) I have never heard Simon say anything against her. 3) I _ (use) this pen only three times. It is still good. 4) Georg

33、e _ (meet) that gentleman on several occasions. have usedhas met3. 現(xiàn)在完成時(shí)還往往可以同包括現(xiàn)在時(shí)間在內(nèi)的時(shí)間狀語連用,如now, up to now, up to present, these few days/weeks/months/years, this morning / week / month / year, now, just, today, so far, in the last three weeks / months / years等:1) Man has now learned to release e

34、nergy from the nucleus of the atom. 2) Peter _ six papers so far. 3) There _ too much rain in San Francisco this year. has writtenhas been4. 短暫性動詞的現(xiàn)在完成時(shí)不能與延續(xù)性時(shí)間狀語連用.1) Tom _ the CD player for two weeks. A. has lent B. has borrowed C. has bought D. has had 2) The Green family _ London for nearly two

35、years. They all miss their hometown very much. A. left B. have been away form C. am not enjoying D. will leave 3) -How long have Mr. Wang and his wife _? -Its been 10 years since they _. A. married; married B. married; were married C. been married; got married D. got married; were married IV. the pr

36、esent perfect continuous tense 表示從過去某一時(shí)間開始一直延續(xù)到現(xiàn)在的動作，并且有可能還要繼續(xù)下去。 Chinese have been making paper for more than 2000 years. 中國造紙的歷史已有2000多年了。 Doctors _ that question for many years. 多年來，醫(yī)生們一直在研究這個(gè)問題。 The children _ TV all morning. 孩子們一上午一直在看電視。have been researchinghave bee watching1. 現(xiàn)在完成進(jìn)行時(shí)和現(xiàn)在完成時(shí)皆可表

37、示動作對現(xiàn)在產(chǎn)生的結(jié)果，但前者所表示已經(jīng)產(chǎn)生結(jié)果，而后者表示即將產(chǎn)生結(jié)果。 We have been cleaning the classroom. We have cleaned the classroom.現(xiàn)在完成時(shí)和現(xiàn)在完成進(jìn)行時(shí)的區(qū)別還沒有最后結(jié)果已經(jīng)有結(jié)果2. 現(xiàn)在完成進(jìn)行時(shí)一般有延續(xù)性、未完成性，沒有時(shí)間狀語的現(xiàn)在完成時(shí)沒有這些含義。They have been widening the road.They have widened the road.3. 現(xiàn)在完成進(jìn)行時(shí)往往表示動作在重復(fù)，現(xiàn)在完成時(shí)則常常不帶重復(fù)性Have you been meeting her lately？

38、Have you met her lately？尚未完成, 還沒有最后結(jié)果已經(jīng)完成, 已有最后結(jié)果可表示近期內(nèi)一次性動作近期內(nèi)重復(fù)動作4. 現(xiàn)在完成進(jìn)行時(shí)比較生動，有時(shí)含有明顯的感情色彩，而現(xiàn)在完成時(shí)往往只說明一個(gè)事實(shí)，一種影響或結(jié)果，平鋪直敘，沒有什么感情色彩。I have been wanting to meet you for long. I have long wanted to meet you. （a）句比（b）句更親切，感情色彩強(qiáng)烈。-Hi, Tracy, you look tired. -I am tired. I _ the living room all day. A. p

39、ainted B. had painted C. have been painting D. have painted I_ tired, but happy today. I _ my play since January, and now I _ for actors to perform in it. It _ exciting to think of them saying the words I_ for months. I have already found one enthusiastic actor who _ super.amhave been writingam look

40、ingisimaginingisCheck the answers(Part A P 9):have beenHe _a film right now, but _ to be in a play for many years.I _several advertisements for my play. We _them next week. Tickets _ on sale next week. Writing _ tough work, but I _ it will all be worthwhile, and I will be famous when the play _.is m

41、akinghas been planninghave designedare printingare goingishopeopensPart B P 9 I _ at the comedy Club tonight.am performing2 I _ my jokes in front of the mirror for the last three hours.have been practising3 My family _ to watch my show.is coming4 I _ nervous about the show.am詞語辨析worth, worthy 和 wort

42、hwhile作形容詞時(shí)，都有“值得的，有價(jià)值的，有意義的”等意思，但它們的用法和搭配不同。 worth只能作表語，后常接名詞或V-ing形式(有被動含義)。如：The used car is still worth $2,000. 這輛二手車依然值2000美元。Is the exhibition worth a visit / visiting? 這個(gè)展覽值得去參觀嗎? worthy可以作表語和定語。用作表語時(shí)，后常接of sth.或動詞不定式。Lianyungang is worthy of a visit / to be visited. 連云港值得去看一看。He said he was

43、not worthy to accept such an honor. 他說他不應(yīng)該接受這種榮譽(yù)。 The school has graduated many worthy young people. 這所學(xué)校培養(yǎng)了許多優(yōu)秀的年輕人。 worthwhile可以作定語和表語。用作表語時(shí)，后接V-ing形式或動詞不定式。如:Thank you for your worthwhile suggestion. 謝謝你提出的很好的建議。Hangzhou is a beautiful place. It is worthwhile going / to go there. 杭州是個(gè)美麗的地方，值得一去。1

44、. She considers teaching a _ career.2. The time and expense involved in keeping up to date with all the changes has been_.3. I think this matter is _ our attention.4. The National Museum is _ of a visit.5. Theres nothing _ reading in this newspaper.6. It is _ to read the film again.worthwhile / wort

45、hyworthwhileworth / worthy ofworthyworthworthwhile1. I have already found one enthusiastic actor who is super. 我已經(jīng)找到了一個(gè)非常優(yōu)秀的熱心演員。enthusiastic: adj. 熱情的 You dont seem very enthusiastic about the party - dont you want to go tonight?enthusiasm noun U 熱情 One of the good things about teaching young child

46、ren is their enthusiasm.After the accident he lost his enthusiasm for the sport.2 Writing is tough work, but I hope it will all be worthwhile. 寫作是很辛苦的工作，但我希望它會是值得的。 tough: adj. 艱苦的,艱難的They will be a tough team to beat.The company is going through a tough time at the moment.Many homeless people are f

47、acing a tough winter.2019高考試題鏈接1. The house belongs to my aunt but she _ here any more. A. hasnt lived B. didnt live C. hadnt lived D. doesnt live2. As you can see, the number of cars on our roads _ rising these days. A. was keeping B. keep C. keeps D. were keeping3. I have to go to work by taxi bec

48、ause my car _ at the garage. A. will be repaired B. is repaired C. is being repaired D. has been repaired 4. The father as well as his three children _ skating on the frozen river every Sunday afternoon in winter. A. is going B. go C. goes D. are going5. -I dont suppose the police know who did it. -

49、 Well, surprisingly they do. A man has been arrested and _ now. A. has been questioned B. is being questioned C. is questioning D. has questioned6. The building around the corner caught fire last night. The police are now _ the matter. A. seeing through B. working out C. looking into D. watching ove

50、r7. My friend, who _ on the International Olympic Committee all his life, is retiring next month. A. served B. is serving C. had served D. has served8. Ladies and gentlemen, please fasten your seat belts. The plane _. A. takes off B. is taking off C. has taken off D. took off9. I wont tell the stude

51、nt the answer to the math problem until he _ on it for more than an hour. A. has been working B. will have worked C. will have been working D. had worked10. Although the causes of cancer _, we do not yet have any practical way to prevent it. A. are being uncovered B. have been uncovering C. are unco

52、vering D. have uncovered你還敢再試身手? 來嗎?(2000全國) The WTO cannot live up to its name _ it does not include a country that is home to one fifth of mankind. A. as long as B. while C. if D. even though 2. Although he has lived with us for years, he _ us much impression. A hadnt left B didnt leave C doesnt l

53、eave D hasnt left2. (2019春季) The men will have to wait all day _ the doctor works faster. A. if B. unless C. whether D. that3. (2019春季) Ive won a holiday for two to Florida. I _ my mum. A. am taking B. have taken C. take D. will have taken4. (2019春季) Hundreds of jobs _ if the factory closes. A. lose

54、 B. will be lost C. are lost D. will lose5. (2019上海) He will have learned English for eight years by the time he _ from the university next year. A. will graduate B. will have graduated C. graduates D. is to graduate6. (2019北京) Come and see me whenever _. A. you are convenient B. you will be conveni

55、ent C. it is convenient to you D. it will be convenient to you7. (2019重慶卷) You can eat food free in my restaurant _ you like. A. whenever B. wherever C. whatever D. however8. (2019安徽卷) You must keep on working in the evening _ you are sure you can finish the task in time. A. as B. if C. when D. unle

56、ss9.What would you do if it _ tomorrow? （2019全國卷） We have to carry it on, since weve got everything ready. A. rain B. rains C. will rain D. is raining10. In such dry weather, the flowers will have to be watered if they _. （2019年上海） A. have survive B. are to survive C. would survive D. will survive 1

57、1. (NMET 2019年)All morning as she waited for the medical report from the doctor, her nervousness_. A has grown B is growing C grew D had grown 12. _ David and Vicky _ married? For about three years. (NMET 2019年北京) A How long were; being B How long have; got C How long have; been D How long did; get1

58、3. John and I _ friends for eight years. We first got to know each other at a Christmas party. But we _ each other a couple of times before that. (NMET 2019年春季北京) A had been; have seen B have been; have seen C had been; had seen D have been; had seenTranslate the following sentences:Nowadays, stand-

59、up comedy _ popular all over the world.No one _ being made fun of before the public.People who laugh a lot _ longer.1. 如今，單口喜劇在全世界深受人們歡迎。2. 沒有人喜歡在眾人面前受到愚弄。3.喜歡笑的人壽命長。isappreciateslive 火車將在上午9：00點(diǎn)鐘開。 The train _ at nine in the morning. 那個(gè)小孩總是愛惹麻煩。 That boy _ trouble. 我做完家庭作業(yè)就去你家。 Ill go to your home

60、when I _ my homework. 你在逛街的時(shí)候別忘了交通規(guī)則。 While you _ around the street, dont forget the traffic rules. startsis always makinghave finishedare going用所給動詞的一般現(xiàn)在時(shí)，現(xiàn)在完成時(shí)，現(xiàn)在進(jìn)行時(shí)或現(xiàn)在完成進(jìn)行時(shí)的形式填充。 -How long_ David and Vicky _ _(marry)?-For about three years.2.Come and see me whenever it _ (be) convenient to you.3.