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1、一般现在时态现在进行时态过去进行时态概 念、描述主语的属性、情况等I like taking walks after supper.、表示习惯性、经常发生的动作和状态或普遍的现象或常识He watches TV every night、表示客观事实、客观规律和客观真理。在宾语从句中,即使主句的谓语动词用了过去时,只要从句表示的是客观真理,从句的谓语动词也要用一般现在时.He said the earth goes around the sun.、现在进行时态表示现在(说话瞬间)正在进行或发生 的动作。如The students are listening to the teacher. He
2、is watching TV now. 、 现在进行时态还可以表示当前一段时间内的活动或现阶段正在进行的动作。如We are working on a farm these days . I am writing a book this month. 3、表示反复出现或习惯性动作,含有说话者的赞扬、不满、讨厌、遗憾等情绪。表示过去某一时刻或某一段时间内正在进行的动作。这一特定的过去时间可用时间状语表示,也可由上下文暗示。谓语动词构成模式、(当主语不是三人称单数时,谓语用)原形、(当主语为三人称单数时,谓语动词变成)三人称单数be(is am are)+doingbe(was were)+doi
3、ng常见的时间状语及标志词always usually often sometimes never, now and then, seldomeveryday(week month year Monday-) once a week twice a year,We are having class now. They are having a rest at the moment.look ! Lily is swimming in the river.listen! My sisters are singing in the next room.last night,at nine this
4、 morning,at this time yesterdaywhen he came inwhile my mother was cooking.词形变化动词的三人称单数动词的现在分词例如规则变化规律、一般情况,在词尾直加s、以s、x、sh、ch、o结尾的动词,在词尾加es如:washwashes watchwatches go-goes、以辅音字母加y结尾的,变y为i再加esCarrycarries flyflies 、以f、fe结尾的,变f、fe为v再加es、一般情况,在词尾直加ing、以不发音的e结尾的,去e再加ing、以重读闭音节结尾的,双写末尾的辅音字母,再加ing如:put ge
5、t sit babysit hit fit swim plan begin run travel stop shop trip dig hiccup prefer 、以ie结尾的,变ie为y再加ing如:lie-lying die-dying tie-tyingHe was watching TV when I came in.What were you doing this time yesterday?While I was reading,my sister was playing.现在完成时态过去完成时态概 念1、 表示过去发生的动作对现在造成的影响或结果。如: I havent fi
6、nished my homework yet. Has he visited the city twice?2、 表示从过去某时开始一直延续到现在的动作和状态。常与表段时间的状语连用。 如: Ive been here for an hour. The weather has been cold so far this winter.过去完成时在时间上的含义是“过去之过去”,因此句中一般都有一个明确的状语或状语从句来表示过去的时间。1、 表示动作或状态从过去某一时间以前开始一直延续到这一过去时间。She had only been here for ten minutes when Jim c
7、ame in.2、 表示动作在过去某一时间以前结束。He had learned two hundred English words by the end of last term.3、 表示在过去某时间以前反复发生的动作或出现的状态。He said he had seen the film twice.谓语动词构成模式Have/has+动词的过去分词had+动词的过去分词常见的时间状语及标志词all morning(year), for a long time, for the past(last)few years(months), these ten years(days), sever
8、al times, for five days(weeks, years ), since 1980(since时间的起点), since he came here(since一般过去时态的从句);since two days ago(since+段时间ago)I havent finished my homework yet.He has just come.They have ever been to chen ko before.The weather has been cold so far(到目前为此) this winter.We have already come back.We
9、 havent heard from her since last week.I had finished the work before 6 oclock this morning . I had learned one thousand English words by the end of last term.I had stayed in Beijing for thee years by then.Until then he had known nothing about it.She said she had been to America eight years before .
10、I had not finished the work until my mother came back.词形变化现在完成时态特别注意的两个问题注规则变化规律、现在完成时态不与具体的、表过去的时间状语连用。并且when引导的特殊疑问句不能是现在完成时态。、非延续性动词在肯定句中不能与for,since等引导的表段时间的状语连用。在含有由after before等引导的状语从句的复合句中。由于这类词本身的意义能够明确表示时间的先后关系。因此谓语动词常用过去一般时代替过去完成时。After he finished his homework ,he went to bed.一般过去时态一般将来时态
11、过去将来时态概 念主要表示过去某一时刻发生的动作或情况。如: He watched TV last night.否定:He didnt watch TV last night. 疑问:Did he watch TV last night? 陈述:She came here yesterday. She didnt come here yesterday. 疑问:Did she come here yesterday?1、表示将来发生的动作或将存在的状态。When will they leave for Shanghai?2、 含有打算、计划、准备、即将做某事等意思,或表示很有可能要发生某事。
12、There is going to be a wonderful film in our school tonight.过去将来时态表示从过去某一时间来看将要发生的动作或存在的状态。常用在宾语从句中。Lily said there would be a concert that evening.I was sure (that) they wouldnt do that.谓语动词构成模式谓语动词变成一般过去式1will/shall+动词原形2be(is am are)going to +动词原形1Would/should+动词原形2be(was were)going to +动词原形常见的时间
13、状语及标志词yesterday last week(year month-), just now, in those days, two days ago, in 1996, at that time,tomorrow, next month (year,),soonHe will be back in a few days.I am going to be a teacher when I grow up.They will come back in 2023.1. 在宾语从句中,当主句的时态为一般过去时态,从句的动作发生在主句动作之后,那么从句用过去将来时态。、记住直接引语变间接引语时,个
14、别时间状语的相应变化。tomorrow-the next daythe following day词形变化动词的一般过去式注注规则变化规律、一般情况,在词尾直加ed、以不发音的e结尾的,直加d、以重读闭音节结尾的,双写末尾的辅音字母,再加ed.(有stop shop hiccup plan drop travel prefer4、以辅音字母加y结尾的,变y为i,再加ed、表示位置移动的动词通常用进行时态表将来。这样的动词包括:leave go come drive fly start arrive等He is leaving for London. 他就要启程去伦敦。They arent co
15、ming.他们不来了。、表示位置移动的动词通常用进行时态表将来。这样的动词包括:leave go come drive fly start arrive等I didnt know when they were leaving for London. 我不知道他们将何时动身去伦敦。They said (that) they were arriving the next day.他们说他们第二天就会到达。now-then;过去完成进行时态概 念、表示动作发生在过去一直持续到现在的动作,常用延续性动词。Tom has been working hard since the new term bega
16、n.新学期开始以来,汤姆一直努力学习。2. 表示不久前刚结束的动作。Sorry ! Im late. How long have you been waiting for me?很抱歉,我来迟了,你等了多长时间?谓语动词构成模式Have/has + been + 动词的现在分词常见的时间状语及标志词all morning(year), for a long time, for the past(last)few years(months), these ten years(days), several times, for five days(weeks, years ), since 198
17、0(since时间的起点), since he came here(since一般过去时态的从句);since two days ago(since+段时间ago)如:Hello! At last! I have been telephoning you all(the)morning.喂!可找着你了!我一早上都在给你打电话呢。注注意事项、某些不能用于进行时的动词(如see ,ear, know, have, like, be 等感官动词和某些表示思维活动的动词)同样也不能用于现在完成进行时,只能用现在完成时。I have known (不能用have been knowing) him for many years.、瞬间动词如:finish, come, go , marry等不能用于现在完成进行时。学科网(北京)股份有限公司