一般現(xiàn)在時(shí)和現(xiàn)在完成時(shí) 講解練習(xí)答案

1、一般現(xiàn)在時(shí)1、 概念 表示現(xiàn)在經(jīng)常發(fā)生的動(dòng)作、存在的狀態(tài)或習(xí)慣性的動(dòng)作。2、 動(dòng)詞詞型變化形式 第三人稱有詞形變化，其他人稱動(dòng)詞均用原形單數(shù)第三人稱動(dòng)詞變化：a.多數(shù)在動(dòng)詞后加s playplayslikelikes ,b.以s，x，sh，ch結(jié)尾的動(dòng)詞加es miss-misses, fix-fixes, wash-washes, watch-watches c.以輔音字母+o結(jié)尾的動(dòng)詞加es gogoes dodoes d.以輔音字母加y結(jié)尾，把y改i再加es flyfliesstudy-studies3. 一般現(xiàn)在時(shí)的句型1.肯定句構(gòu)成：主語+動(dòng)詞 (注意人稱變化) +其它成分I hav

2、e a dog. We like the little cat. She sings well.2.否定句構(gòu)成：行為動(dòng)詞的否定句：主語+助動(dòng)詞(do/does) + not +動(dòng)詞原形+其它成分He dosent have a dog.He isnt young.We dont like the little cat.(借助于助動(dòng)詞do) She doesnt sing well. (借助于助動(dòng)詞does)3.一般疑問句：A.行為動(dòng)詞的一般疑問句：助動(dòng)詞(do/does)+主語+動(dòng)詞原形 + 其它成分Do you like it? Yes, I do. / No. I dont . Does

3、he(she) like it? Yes, he( she )does. / No, he ( she )doesnt.B. 動(dòng)詞be 的一般疑問句Am / Is /Are +主語 + 其它成分Are you a teacher? Yes, I am. / No, I am not.Are they students of your school.Yes they are / No they arent.4.特殊疑問句：特殊疑問詞 + 一般疑問句How many students are there in your school?What do you usually do on Sunday

4、?四一般現(xiàn)在時(shí)的用法1.經(jīng)常性或習(xí)慣性的動(dòng)作，常與表示頻度的時(shí)間狀語連用。如：every year, sometimes, at 5 oclock, on Sunday.I get up at six oclock every day.He gets up at six oclock every day.She smokes too much. I telephone to my parents once a week.2.表達(dá)客觀真理，科學(xué)事實(shí)。如果出現(xiàn)在賓語從句中，即使主句是過去時(shí)，從句謂語也要用一般現(xiàn)在時(shí)。Three and four makes seven.The teacher to

5、ld us that the earth moves around the sun.Shenyang lies in the north of China.3.在格言或名言警句中。Pride goes before a fall. 驕必?cái)　ctions speak louder than words.事實(shí)用于雄辯。4.表示現(xiàn)在的狀態(tài)、性格、個(gè)性。I dont want more, thanks.He is a good student. He is always ready to help others.五.一般現(xiàn)在時(shí)其它用法一般現(xiàn)在時(shí)表將來1.含有g(shù)o, come, return, arr

6、ive, leave, start, begin等動(dòng)詞的一般現(xiàn)在時(shí)表將來。表示在時(shí)間上已確定或安排好的事情。 The school bus leaves at eight .2.在時(shí)間或條件句中。When Tom comes, ask him how to fix the tap.Ill help you as soon as I arrive there.3.在動(dòng)詞hope,take care that,make sure that等后。練習(xí) 一.用詞的適當(dāng)形式填空。1.What time_ his father_(do) the work?2.He _(get) up at five oc

7、lock.3._ you _(brush) your teeth every morning.4.What _ ( do ) he usually _( do ) after school?5.Tom _ ( study ) English, Chinese, Maths, Science and Art at school.6. Kitty sometimes _(go) to the park with his sister.7.At eight at night, she _( watch ) TV with her parents.8. _ Mike_( read ) English

8、every day?9.How many lessons_ your classmates_( have ) on Monday?10.We often_ ( play ) football in the playground.二選擇() 1. _ you have a book?A. DoB. AreC. IsD. Have()2. They _ on a farm.A. workingB. is workC. workD. is worked() 3. Does Peter like to watch TV?_. A. Yes, he likeB. No, he doesntC. Yes,

9、 hed likeD. No, he likes()4. She doesnt _ her homework in the afternoon.A. doingB. to doC. doesD. do()5. How _ Mr. Brown _ to America?A. do,goB. is,goC. does,goD. does,goes()6. Wheres my camera? I_ it.A. am not findingB. am not seeingC. cant findD. cant look at()7. How _ he go to work?He _ to work b

10、y bike.A. does ;goB. do;goesC. do ;goD. does;goes()8. _ you usually late for school?No, _.A. Do ; I amB. Does ;notC. Are ; Im notD. Are ; I arent()9. _ she _ home at six every day?A. Is , leaveB. Does , leaveC. Is , leavesD. Does , left()10. Mr. Yang _ English this term.A. teaches ourB. teaches usC.

11、 teachs usD. teach our答案：一.1.does, do2. gets3. Do, brush4. does, do5. studies6. goes7. watches8. Does, read9. do, have10. play二.1-5 A C B D C6-10 C D C B B 現(xiàn)在進(jìn)行時(shí)定義：現(xiàn)在進(jìn)行時(shí)的定義：現(xiàn)在進(jìn)行時(shí)表示現(xiàn)在或當(dāng)前一段時(shí)間正在進(jìn)行的動(dòng)作?？梢员硎居杏?jì)劃的未來，也就是用現(xiàn)在進(jìn)行時(shí)表示將來。構(gòu)成：現(xiàn)在進(jìn)行時(shí)的構(gòu)成是:主語+be+v.ing現(xiàn)在分詞形式肯定句:主語+be（is/am/are）+現(xiàn)在分詞否定句：主語+be（is/am/are）+no

12、t+現(xiàn)在分詞一般疑問句:be（is/am/are）+主語+現(xiàn)在分詞特殊疑問句：特殊疑問詞+相應(yīng)be動(dòng)詞+主語+現(xiàn)在分詞+sth變化規(guī)則：1.直接+ ing(例：sleep+ing sleeping)2.以不發(fā)音的e結(jié)尾的去掉e,再+ing(例：bite-e+ing biting)3.重讀閉音節(jié)，且末尾只有1個(gè)輔音字母，雙寫輔音字母+ing(例：sit+t+ing sitting 另cut - cutting begin -beginning ) 4.特殊變化：die-dying,lie-lying，tie-tying5.不規(guī)則變化時(shí)間狀語：可用來表示現(xiàn)在進(jìn)行時(shí)的時(shí)間狀語，常用的有：now, t

13、his week, at this moment 等；或者告訴你一個(gè)準(zhǔn)確的現(xiàn)在時(shí)間，或者用look, listen提醒聽者注意正在發(fā)生的事。例如：Listen! She is singing an English song.聽，她正在唱英語歌。Look at the picture. The children are flying kites in the park.看這幅圖。那些孩子正在公園放風(fēng)箏。用法：1 最基本的用法是表示此刻正在進(jìn)行或發(fā)生的動(dòng)作，通常和時(shí)間狀語now、at the moment等連用。 They are visiting the fire station now. 他們

14、現(xiàn)在正參觀消防站。2表示現(xiàn)階段正在進(jìn)行但此刻不一定在進(jìn)行的動(dòng)作，它通常和時(shí)間狀語now、these days等連用。 They are working in this factory these days. 這幾天他們?cè)谶@個(gè)工廠工作。3表示最近的確定或安排時(shí)。 He is taking me to the theatre this evening. 今晚他要帶我到電影院。4某些表示位置轉(zhuǎn)移的動(dòng)詞如go、leave、start、come等它們的現(xiàn)在進(jìn)行時(shí)表示將來。 He is leaving for the Great Wall tomorrow. 明天他要?jiǎng)由砣ラL(zhǎng)城。練習(xí)用現(xiàn)在進(jìn)行時(shí)完成下列句

15、子: 1. What_you_(do)?2. I_(sing) an English song. 3. What_he_(mend)?4.He_(mend) a car. 5._you_(fly) a kite?Yes,_.  6._she_(sit) in the boat? 7._you_(ask) questions?   8.We_(play) games now

16、60;  選擇填空。 1. Some are _ in the river and some are _ games. A. swiming, playing  B. swimming, plaiing C. swimming, playing  D. swimming, plaing 2.  Look! The

17、60;boy students are _ football while the girls are _. A.  playing, dance  B. playing, dancingB. C. play, dancing  D. play, dance 3. Mr. Smith _ short stories, but

18、60;he _ a TV play these days. A. is writing, is writing  B. is writing, writes  C. writes, is writing  D. writes, writes 4. I _ to the cinema. I _ there every Sunday. A. go. go  B. am going, go  C. go. am going  D. am&