現(xiàn)在時四種時態(tài)混合PPT課件

1、第1頁/共33頁 I 一般現(xiàn)在時 1 表示客觀事實或普通真理.(不受時態(tài)限制) 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)。 Japan lies to the east of China. 日本位于中國的東方。 The sun rises in the east and sets in the west. 太陽東升西落。第2頁/共33頁 2 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, onc

2、e a week 等表示頻率的時間狀語連用. He takes a walk after supper every day. 他每天晚飯后散步。 My mother works at the same company as my father. 我母親和父親在同一家公司工作。 We always care for each other and help each other. 我們總是相互關(guān)心相互幫助。第3頁/共33頁 3 表示主語的特征、性格、能力等。 Mr. Smith hates fish and never eats any. 斯密斯先生討厭魚而且從來不吃。 Mary speaks b

3、oth English and French very well. 瑪麗英語和法語都說的很好。第4頁/共33頁4 表示安排或計劃好的肯定會出現(xiàn)的動作或狀態(tài)。 The plane takes off at 10:00 a.m. 飛機上午10點起飛。 Tomorrow is Wednesday. 明天是星期三。第5頁/共33頁 5 在時間、條件狀語從句中用一般現(xiàn)在時表示將來的動作。 We will have to put off the sports meeting if it rains tomorrow. 如果明天下雨我們將不得不推遲會議。 I cant leave unless my bos

4、s 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，但不表示時態(tài)。 If you will accept my invitation and come to our party, my family will be pleased. 第6頁/共33頁 II. 現(xiàn)在進行時 1 表示說話時正在進行的動作。 -what are you doing? -I am writing a letter. Its raining heavily now, so we must stay inside.The water is boi

5、ling.第7頁/共33頁The sun is rising.The man is walking.第8頁/共33頁 2 表示現(xiàn)階段一直在進行的動作。 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。 He is teaching English and learning Chinese. 他正在一邊教英語一邊學(xué)中文。第9頁/共33頁 3 表示按計劃近期內(nèi)即將發(fā)生的動作。 I am meeting Mr. Wang tonight. 我今晚要去見王先生。 I am going to Qingdao

6、 for the summer holiday this year. 我計劃今年去青島過暑假。 The plane is leaving for London soon. 飛機即將飛往倫敦。第10頁/共33頁 4 與always often 等頻度副詞連用表示經(jīng)常反復(fù)的行為或某種感情色彩。 The girl is always talking loud in public. 那個女孩總愛當(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 complain

7、ing about her fate. 她不停地抱怨自己的命運不好。第11頁/共33頁 Notes: 以下四類動詞不宜用現(xiàn)在進行時。 A 表示心理狀態(tài)、情感的動詞 Like, love, hate, care, remember, believe, want, mind, wish, agree, mean, need B 表示存在狀態(tài)的動詞 appear, exist, lie, remain, seem, belong to, depend on C 表示瞬間動作的動詞 allow, accept, permit, promise, admit, complete D 表示感官的動詞 se

8、e, hear, notice, smell, sound, taste, look第12頁/共33頁1. Ma ling _ in Shanghai, but she _ in Beijing at the moment. (live)2. A big building _ in the centre of the city. A girl _ at the gate of the store. (stand)livesis living standsis standing第13頁/共33頁1. The plane _ (take) off at 10:00.2. I _ (leave) t

9、omorrow.takesam leavinga scheduledfuture actiona planned future action第14頁/共33頁I always _ (have) a cup ofcoffee in the morning, but I _always _ (forget) to washthe cup afterwards. haveamforgetting第15頁/共33頁The bus _ (come).Here _ (come) the bus!The bell _ (ring).There _ (go) the bell!is comingcomesis

10、 ringinggoesInverted sentences第16頁/共33頁 III. 現(xiàn)在完成時1 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 have been to the Great Wall many times. 我們已去過長城多次。第17頁/共33頁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。 He has paid his in

11、come tax. 他已經(jīng)交了個人所得稅。 Doctors have found that 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。第18頁/共33頁3 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 have studied English for 5 years. 我們大部分人已經(jīng)學(xué)了5年英語了。第19頁/共33頁 4 下列句型中常用現(xiàn)在完成時。 It is (has been) +一段時間 since +從句 This

12、 (that/ It ) is the first (second) time that + 完成時 This (That/ It) is the best/ finest / most interesting.+that+完成時 Its/ It has been 3 years since they got married. Its the first time that I have been to the Great Wall. This is the most interesting film that I have seen.第20頁/共33頁Notes: 在時間或條件狀語從句中，現(xiàn)

13、在完成時可以代替一般將來時。 If you have done the experiment, youll understand the theory better. 如果你做完試驗，你會更好地理解這個理論的。 Dont get off the bus until it has stopped. 車停穩(wěn)之前，別忙著下車。第21頁/共33頁Notes: 注意區(qū)分一般過去時與現(xiàn)在完成時 時間上有差異：凡有具體的過去時間，均用過去時態(tài)，不能用完成上，如：ago, last year, just now, the other day 等。結(jié)果上有差異：現(xiàn)在完成時強調(diào)的是對“現(xiàn)在”的影響和結(jié)果，動作到現(xiàn)

14、在剛完成或還在繼續(xù)；一般過去時強調(diào)的動作發(fā)生在過去，和現(xiàn)在沒有關(guān)系。第22頁/共33頁 IV. 現(xiàn)在完成進行時 表示從過去某一時間開始一直延續(xù)到現(xiàn)在的動作，這個動作可能剛剛結(jié)束，也可能還要繼續(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 have been researching that question for many years. 多年來，醫(yī)生們一直在研究這個問題。 The children have bee watching TV all morning.

15、孩子們一上午一直在看電視。第23頁/共33頁高考鏈接 Although he has lived with us for years, he _ us much impression. A hadnt left B didnt leave C doesnt leave D hasnt left第24頁/共33頁 In such dry weather, the flowers will have to be watered if they _. A have survive B are to survive C would survive D will survive 第25頁/共33頁 Al

16、l morning as she waited for the medical report from the doctor, her nervousness_. A has grown B is growing C grew D had grown第26頁/共33頁 _ David and Vicky _ married? For about three years. A How long were; being B How long have; got C How long have; been D How long did; get第27頁/共33頁 John and I _ frien

17、ds for eight years. We first got to know each other at a Christmas party. But we _ each other a couple of times before that. A had been; have seen B have been; have seen C had been; had seen D have been; had seen第28頁/共33頁用所給動詞的一般現(xiàn)在時，現(xiàn)在完成時，現(xiàn)在進行時或現(xiàn)在完成進行時的形式填充。 1.How long_ David and Vicky _ _(marry)? -

18、For about three years. 2.Come and see me whenever it _ (be) convenient to you. 3. The water will be further polluted unless some measures _ _(take).havebeen marriedisare taken第29頁/共33頁4.Because the shop_ _(close) down, all the T-shirts are sold at half price. 5. Every possible means _ _ _(try) to prevent the air pollution, but the sky is still not clear.6.-Whats that terrible noise? -The neighbors _ _(prepare) for