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,中学英语时态,一般现在时,用法:经常性的和习惯性的动作 常用时间状语 : usually,sometimes,in spring, every day,in the morning 动词构成 :动词原型. work 动词+S.(主语是第三人称单数)works 否定构成 : dont+动原 doesnt+动原 一般疑问构成及简答:Do+主语+动原+其它? Yes,I do. Does+主语+动原+其它? No,he doesnt. 特殊疑问举例 :What do you often do on Sunday?,一般现在时的用法 1)经常性或习惯性的动作,常与表示频度的时间状语连用。 I leavehomeforschoolat7everymorning.2)客观真理,客观存在,科学事实。 Theearthmovesaroundthesun. ShanghailiesintheeastofChina.3)表示格言或警句中。 Pridegoesbeforeafall.骄者必败。 4)现在时刻的状态、能力、性格、个性。 Idontwantsomuch.AnnWangwritesgoodEnglishbutdoesnotspeakwell.比较:NowIputthesugarinthecup. Iamdoingmyhomeworknow. 注意: start,leave,go,come等的一般现在时可表示按 规定要发生的未来动作,如列车将离开。,( ) 1 -_ they often _ these old men? -Yes, they_. A. Do; help; are B. Are; helping; are C. Do; help; do D. Are; helped; are,( ) 2 They usually _ TV in the evening. A. watch B. will watch C. are watching D. watches ( ) 3The sun _ in the east and_ in the west. A. raises; set B. rise; sets C. rises; sets D. rises; set,练习,C,A,C,现在进行时 用法:说话时正在进行的动作,前一段时间正在进行的动作 常用时间状语 :now,these days 动词构成 : am/is/are+现在分词(-ing) am/is/are working否定构成 : am/is/are+not+现在分词一般疑问构成及简答:Am/Is/Are+主语+现在分词+ 其它?Yes,I am(he is.) No,they arent特殊疑问举例:What are you doing now? Who is flying a kite there?注意:go, come, leave, arrive, return, die等的进行时可表示即将要发生的动作.有时表示即将发生的动作。,现在进行时的基本用法:a.表示现在( 指说话人说话时) 正在发生的事情。We are waiting for you. b.习惯进行:表示长期的或重复性的动作,说话时动作未必正在进行。 Mr. Green is writing another novel.(说话时并未在写,只处于写作的状态。)She is learning piano under Mr. Smith.c.表示渐变的动词有:get, grow, become, turn, run, go, begin等。 The leaves are turning red. Its getting warmer and warmer d. 与always, constantly, forever 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. You are always changing your mind.,( ) 1 _ you _ your homework now? A. Do; doing B. Are; doing C. Were; doing D. Does; do ( ) 2 _ your mother _ shopping at the moment? A. Are; doing B. Is; doing C. Is; taking D. Are; taking ( ) 3 _ the children _ the radio? A. Is; listening B. Is; listening to C. Are; listening to D. Are; listening,练习,B,B,c,用法:将来会出现或发生的动作常用时间状语:this evening,tomorrow,next month,in a few minutes,at the end of this term动词构成: 1,will/shall+动原 2,am/is/are going to+动词原型 3,am/is/are(about)+动词不定式 4,am/is/are+coming等现在分词以work为例:will/shall work am/is/are going to work am/is/are(about) to work am/is/are coming/leaving,一般将来时,否定构成:will/shall not am/is/are not特殊疑问句举例:What will you do tomorrow? When are we going to have a class meeting?备注:在if条件或as soon as等时间状语从句中用一般现在时代替一般将来时。,一般将来时1)shall用于第一人称,常被will 所代替。will 在陈述句中用于各人称,在争求意见时常用于第二人称。 Which paragraph shall I read first. Will you be at home at seven this evening? 2)be going to +不定式,表示将来。 a. 主语的意图,即将做某事。 What are you going to do tomorrow? b. 计划,安排要发生的事。 The play is going to be produced next month。 c. 有迹象要发生的事 Look at the dark clouds, there is going to be a storm. 3)be +不定式表将来,按计划或正式安排将发生的事。 We are to discuss the report next Saturday.4)be about to +不定式,意为马上做某事。 He is about to leave for Beijing. 注意:be about to 不能与tomorrow, next week 等表示明确将来时的时间状语连用,一,( ) 1 Look at the clouds. _. A. Its going to rain B. Itll be raining C. It will be rained D. If it rains( ) 2There_ two English films next week. A. is going to be B. are going to have C. will have D. are going to be( ) 3 There is going to_ a volleyball match on our school playground. The match is going to_ at six this evening. A. have; be B. be; have C. be; be D. have; have,练习,A,D,B,用法:过去时间发生的或过去经常性的动作常用时间状语:yesterday,last night,two days ago, in 2000,at that time,before liberation(解放),when 等引导的含过去时的句子。动词构成:动词过去时(-ed) 如:worked/used to work否定构成:didnt+动原 如:didnt work/used not(didnt use) to work一般疑问构成及简答举例:Did+主语+动原+其它? 特殊疑问句举例:What did he do yesterday? When did he get up this morning? 备注:He has opened the door. (表示过去“开门”的动作对现在的影响是门还开着)He opened the door.(不能确定门现在是否开着),一般过去时,一般过去时的用法 1)在确定的过去时间里所发生的动作或存在的状态。 Wheredidyougojustnow? 2)表示在过去一段时间内,经常性或习惯性的动作。 WhenIwasachild,Ioftenplayedfootballinthestreet. WhenevertheBrownswentduringtheirvisit,theyweregivenawarmwelcome.,( ) 1 _ here and ask him about it yesterday? A. Did you come B. Would you not go C. You didnt come D. Arent you go( ) 2 _ he _ a good time last Sunday? A. Were; were B. Did; do C. Did; has D. Did; have( ) 3 The students hardly studied the English language, _ they? A. did B. didnt C. were D. werent,练习,A,D,D,用法: 1、发生在过去的动作且对现在仍有影响的动作, 强调对现在的影响. 2、从过去一直延续到现在的动作常用时间状语:already, just, never, before, recently,in the past few years,ever,so far,since+过去的点时间,for+段时间动词构成:have/has+过去分词(-ed) have/has worked否定构成:have/has not+过去分词一般疑问构成: Have/Has+主语+过去分词?特殊疑问句举例:What have you done recently? How long has he lived in Beijing?备注:暂时性动词不能与for, since,How long等 表示段时间 的短语同时使用。,现在完成时,现在完成时的基本用法:1.表示过去发生的动作对现在造成的影响或结果。标志词:already(用于肯定句)、yet(用于否定句)、ever、never、just、before等。I have already seen the film.Has she finished cooking yet?2.表示过去已经开始,持续到现在的动作或状态。标志词:for+一段时间,since+点时间,since+一段时间+ago, since+从句 for five years Miss zhao has taught maths since 2005 since five years ago,3.瞬间动词:一时的动作,不能与表示延续性的时间状语连用。begin. go. come. leave. buy. arrive. give. find. join. die.,比较过去时与现在完成时 1)过去时表示过去某时发生的动作或单纯叙述过去的事情,强调动作;现在完成时为过去发生的,强调过去的事情对现在的影响,强调的是影响。 2)过去时常与具体的时间状语连用,而现在完成时通常与模糊的时间状语连用,或无时间状语。一般过去时的时间状语: yesterday, last week,ago, in1980, in October, just now, 具体的时间状语现在完成时的时间状语: for, since, so far, ever, never, just, yet, till / until, up to now, in past years, always,( ) 1 _ you _ the novel that I lent you last week? A. Did; finish B. Have; finished C. Are; finished D. Do; finish ( ) 2 He _ in our school for 20 years and he _ here in 1977. A. has taught; came B. has taught; has come C. taught; came D. has teached; has came ( ) 3 They are late. The film _ for five minutes. A. has begun B. has started C. has been on D. began,A,A,C,用法:过去某一时刻或某一段时间内正在发生 的动作常用时间状语:at this time yesterday,at that time, at ten oclock yesterday或when引导的从句动词构成: was/were+现在分词(-ing)否定构成: was/were not+现在分词一般疑问构成及简答举例: Was/Were+主语+现在分词+其它? Yes,I was No,I wasnt特殊疑问句举例: What were you dong this time yesterday? Where was he standing when the teacher came in?,过去进行时,( ) 1 _the Blacks _TV at seven yesterday? A. Did; watch B. Are, watching C. Were; watching D. Do; watch( ) 2 The scientist_ a walk in his garden at four last Sunday. A. was taking B. would take C. took D. was taken( ) 3 What _ from nine to ten last night? A. did yo

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