英语语法16种时态讲解、练习.ppt
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1、英语的英语的1616种种时态时态一般进行完成完成进行现在一般现在时现在进行时现在完成时现在完成进行时过去一般过去时过去进行时过去完成时过去完成进行时将来一般将来时将来进行时将来完成时将来完成进行时过去将来过去将来时过去将来进行时过去将来完成时过去将来完成进行时时式动词的时态一般进行完成完成进行现在do/doesam/is/aredoinghave/hasdoneh a v e / h a sbeendoing过去didweredoingwasdoinghaddonehadbeendoing将来will/shalldowill/shallbedoingwill/shallhavedonewill
2、/shallhavebeendoing过去将来woulddoshoulddowould/shouldbedoingwould/shouldhavedonewould/shouldhavebeendoing时式英语共有16种时态,其表现形式如下:以动词“do”为例1) 表示现在发生的动作、情况、状态和特征。表示现在发生的动作、情况、状态和特征。 时间状语:时间状语: every, sometimes,at, on Sunday I leave home for school at 7 every morning. He cycles to work every day. 2) 客观事实和普遍真理
3、。客观事实和普遍真理。注意:如果前后文不是注意:如果前后文不是 一般现在时,则无法保持主句、从句时态一致。一般现在时,则无法保持主句、从句时态一致。 The earth moves around the sun. Shanghai lies in the east of China. Water boils at 100 Centigrade .3)经常性、习惯性的动作。)经常性、习惯性的动作。 The plane takes off at 9:00 tomorrow morning.4) 表示格言或警句中。表示格言或警句中。 Pride goes before a fall.骄者必败。骄者必
4、败。此用法如果出现在宾语从句中,即使主句是过去时,从句谓语也要用一般此用法如果出现在宾语从句中,即使主句是过去时,从句谓语也要用一般现在时。现在时。 例如:例如:Columbus proved that the earth is round.5) 现在时刻的状态、能力、性格、个性。现在时刻的状态、能力、性格、个性。 I dont want so much. Ann Wang writes good English but does not speak well.Now I put the sugar in the cup. I am doing my homework now. 第一句用一般现
5、在时,用于操作演示或指导说明的示范性动作,表示言行的第一句用一般现在时,用于操作演示或指导说明的示范性动作,表示言行的瞬间动作。再如:瞬间动作。再如:Now watch me, I switch on the current and stand back. 第二句第二句中的中的now是进行时的标志,表示正在进行的动作的客观状况。是进行时的标志,表示正在进行的动作的客观状况。6)祈使句中)祈使句中 ( 提供方向或是指示提供方向或是指示 )。 Go down the street, and then take the second turning on the left. 1)下列动词:)下列动词
6、:come, go, arrive, leave, start, begin, return的的一般现在时表将来。这主要用来表示在时间上已确定或安排好一般现在时表将来。这主要用来表示在时间上已确定或安排好的事情的事情 ( timetabled or fixed events )。 The train leaves at six tomorrow morning. When does the bus start? It starts in ten minutes. 2)倒装句,表示动作正在进行,如:倒装句,表示动作正在进行,如: Here comes the bus. = The bus is
7、coming. There goes the bell. = The bell is ringing. 3 ) It will be + ( a period of time )+ before + ( the present simple tense ). (距离(距离还有还有时间。)时间。) It will be a year before we take part in the university entrance examinations.4)在时间或条件句中。)在时间或条件句中。 When Bill comes (不是不是will come), ask him to wait fo
8、r me. cf. I dont know when Bill will come. Ill write to you as soon as I arrive there. 由由if 引导的条件状语从句中可以用引导的条件状语从句中可以用shall或或will表表“意愿意愿”,但,但不表示时态。不表示时态。 If you will accept my invitation and come to our party, my family will be pleased. Ill appreciate it if you will do me a favour.5) 在动词在动词hope, tak
9、e care that, make sure that, see to it that 等后。等后。 I hope they have a nice time next week. Make sure that the windows are closed before you leave the room。6 )在在the morethe more句型中,从句也要用一般现在时取句型中,从句也要用一般现在时取代将来时。代将来时。 The harder you work, the more you will get.7 ) 主句为将来时主句为将来时(no matter what / who /
10、which / when / whatever / whoever / whichever / whenever) + 从句中用一从句中用一般现在时。般现在时。 Whatever you say, I will not change my mind. No matter which you like, Ill give it to you.1). 表示现在表示现在( 指说话人说话时指说话人说话时) 正在发生的事情。例如:正在发生的事情。例如: We are waiting for you. 2). 短期内正在进行的动作短期内正在进行的动作( within a temporary period
11、), 说话时动作未必正在进行。例如:说话时动作未必正在进行。例如: Mr. Green is writing another novel. He is now living in Shanghai. ( The action is temporary.) cf. He lives in Shanghai. She is learning piano under Mr. Smith. I am feeding the neighbours cat this week while shes in hospital. I dont really work here; I am just helpin
12、g out until the new secretary arrives.3). 表示渐变的动词有:表示渐变的动词有:get, grow, become, turn, run, go, begin等。等。 The leaves are turning red. Its getting warmer and warmer. 表示当前的动向与趋势表示当前的动向与趋势 Technology is developing rapidly. Playing computer games is becoming more and more popular with young people.4). 表示动
13、作正在进行,但倒装句中用一般现在时表示动作正在进行,但倒装句中用一般现在时 如:如: Here comes the bus. = The bus is coming. There goes the bell. = The bell is ringing. 5). 与与always, constantly, forever 等词连用,表示反复发生等词连用,表示反复发生的动作或持续存在的状态,往往带有说话人的主观色彩。的动作或持续存在的状态,往往带有说话人的主观色彩。 You are always changing your mind. You are always doing well Hes
14、always asking the same question. 6). 状态动词的进行时后面接形容词状态动词的进行时后面接形容词brave; careful; stupid; clever; foolish; polite; kind; shy等时,为主语所表现的非等时,为主语所表现的非一般惯性特点或故意的行为。一般惯性特点或故意的行为。 eg: 1. You are being very clever today. 2. He is being polite. 3. My son is being a good boy at the moment.7). 用以表达将来的安排用以表达将来的安
15、排,经常与经常与arrive, come, go, leave等词连用。等词连用。 Were spending next winter in Australia. Shes leaving for Shanghai tomorrow. ( often with words like arrive, come, go, leave ) The action is likely to continue after the time of speaking, but is likely to stop at some point. It is temporary. eg. Ill be with y
16、ou in a minute . Im just finishing something in the kitchenIm writing to tell you that 如:如:have, belong, possess, cost, owe, exist, include, contain, matter, weigh, measure, continue I have two brothers. This house belongs to my sister.如:如:know, realize, think see, believe, suppose, imagine, agree,
17、recognize, remember, want, need, forget, prefer, mean, understand, love, hate I need your help. He loves her very much.如:如:accept, receive, complete, finish, give, allow, decide, refuse. I accept your advice.如:如:seem, remain, lie, see, hear, smell, feel, taste, get, become, turn You seem a little ti
18、red.1)在确定的过去时间里所发生的动作或存在的状态。)在确定的过去时间里所发生的动作或存在的状态。 时间状语有:时间状语有:yesterday, last week, an hour ago, the other day, in 1982等。等。 Where did you go just now? I saw Tom in the street yesterday. I bought this TV set in Beijing last year.2)表示在过去一段时间内,经常性或习惯性的动作。表示在过去一段时间内,经常性或习惯性的动作。 When I was a child, I o
19、ften played football in the street. He always went to work by bus. He used to act like that. 3)用过去时表示现在,表示语气委婉礼貌。)用过去时表示现在,表示语气委婉礼貌。 (1)动词)动词want, hope, wonder, think, intend 等。例如:等。例如: Did you want anything else? I wanted to ask you about that. Did you want to speak to me now? I wondered if you cou
20、ld help me. (2)情态动词)情态动词 could, would,例如:,例如:Could you lend me your bike?4)用在条件句中表示与现在或将来事实不符的虚拟语气。)用在条件句中表示与现在或将来事实不符的虚拟语气。 If I were a bird, I would fly to Beijing. If he were here now, we could turn to him for help. It is time for sb. to do sth “到到时间了;该时间了;该了了”,例如:例如: It is time for you to go to
21、bed.你该睡觉了。你该睡觉了。 It is time sb. did sth. “时间已迟了;早该时间已迟了;早该了了”,例如:,例如: It is time 你早该睡觉了。你早该睡觉了。 would (had) rather sb. did sth.表示表示“宁愿某人做某事宁愿某人做某事”,例如:例如: Id rather . It is / has been + 一段时间一段时间+ since 分句分句 It is two years since he joined the army.Christine was an invalid all her life.(含义:她已不在人间。含义:
22、她已不在人间。)Christine has been an invalid all her life.(含义:她现在还活含义:她现在还活着着)Mrs. Darby lived in Kentucky for seven years. (含义:达比太含义:达比太太已不再住在肯塔基州。太已不再住在肯塔基州。)Mrs. Darby has lived in Kentucky for seven years. ( 含义:现含义:现在还住在肯塔基州,有可能指刚离去在还住在肯塔基州,有可能指刚离去)used to 与与 would used to - describe actions which happ
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