《大学英语语法》由会员分享,可在线阅读,更多相关《大学英语语法(47页珍藏版)》请在金锄头文库上搜索。
1、精品文档,仅供学习与交流,如有侵权请联系网站删除动词的时态动词的现在时1. 一般现在时(1) 一般现在时表示经常性的动作或状态一般现在时表示经常性动作或状态时,常与often, always, usually, sometimes, every day等时间状语连用。如:The shop opens at nine every day. 这家商店每天九点开门。It seldom snows here. 这儿很少下雪。(2) 一般现在时表示客观存在或普遍真理Light travels faster than sound. 光速比声速快。Food easily goes bad in hot we
2、ather. 天气热时食物容易坏。(3) 一般现在时表示主语的特征或状态The picture looks very beautiful. 这幅画看起来很美。Air contains oxygen and nitrogen. 空气含有氧和氮。(4) 一般现在时在时间和条件状语从句中表示将来的动作或状态Ill tell her about it as soon as I see her.When does the train arrive? 火车几点到?(5) 用于图片说明或剧本中的动作提示和背景说明INSIDE THE SHELTER: Stockton slowly turns to fac
3、e his wife. The angry screaming cries of the people ring in their ears even as they depart. 防空洞中:斯道克顿慢慢转过身,面对他的妻子。那群人正在离去,而他们愤怒的尖叫声却还回响在他们的耳边。(6) 电视节目直播解说Its Carter to serve- he needs just one more point. He serves. And Smith misses. What a great serve!So the championshipgoes to 19-year-old Harry Ca
4、rter. 该卡特发球了,他只需再得一分就赢了。他发球了,史密斯接球失误。多漂亮的发球!冠军属于了19岁的哈利-卡特。2. 现在进行时(1) 现在进行时表示说话时或现阶段正在进行的动作 表示现阶段正在进行的动作,通常有表示现阶段的时间状语,如:today, this week, this month, this year, this term,now等。如: He is writing a novel now. 他目前正在写一部小说。(2) 现在进行时表示经常性的动作 现在进行时在表示经常性、重复性或习惯性的动作时必须与only, merely, simply, really,fast, ra
5、pidly, steadily, forever, all the time, always, constantly, continually, repeatedly等频度副词连用。如: She is always complaining. 她总是在抱怨。(3) 现在进行时表示按计划或已安排好要做的事 这一用法只适用于某些动词,如:go, come, leave, start, arrive, return, spend, sail, meet, fly等。如: The guest is leaving by train tonight. 客人今晚坐火车走。(4) 补充说明1 在不少情况下,表
6、示正在进行的动作的汉语句子,并没有“正在”这样的字眼,但在译为英语时必须用进行时态。如: Its raining heavily. 下大雨了。 How is everything going? 事情进展如何?2 有些动词通常不能用进行时。不能用进行时的动词有: 表示感觉或感情的词,如:hear, see, smell, taste, feel, seem, notice, hate, love, like, want, wish, refuse, prefer, forgive等。 表示存在或所属的词,如:exist, stay, remain, obtain, have, own, form
7、, contain等。 表示认识或理解的词,如:understand, know, remember, forget, believe, think, doubt等。3. 现在完成时(1) 现在完成时表示从过去持续到现在的动作或状态现在完成时的这种用法通常与由since或for引导的时间状语连用。如:The old man have lived here for more than twenty years. 老人已在此住了20多年了。(2) 现在完成时表示过去发生的对现在有影响的动作1 现在完成时的这种用法有时不带时间状语,有时可以和already, before, ever, just,
8、lately, never, once, recently, yet等一些所指时间不具体的时间状语连用。如:Have you ever been to Australia? 你去过澳大利亚吗?2 有时现在完成时和now, today, this morning, this week, this year等表示现在的时间状语连用。如:I haven t seen him today. 我今天没见过他。I have seen him only once this year. 我今年只见过他一次。(3) 现在完成时在时间和条件状语从句中表示将来完成的动作Ill go to the party as
9、soon as (or when) I have finished my homework.我完成作业后就去参加聚会。(4) 现在完成时和until now, so far, in the past few years, up to the present等表示从某时到目前这段时间的状语连用 I have not heard from her so far. 到目前为止,我没有收到过她的信。We have learned five hundred words up to the present.到目前为止,我们已学了五百个生词。但要注意:当意义明确时,适用现在完成时的句子可以不用时间状语。如:
10、He has done a lot of work. 他干了许多工作。She has told me about her story. 她跟我讲过她的故事。4. 现在完成进行时(1) 现在完成进行时表示从过去一直持续到现在的动作或刚刚结束的动作Ive been writing letters all this morning. 我写了一上午信。(动作不再继续)ONeil is ill. He s been lying in the bed for three weeks.奥尼尔在病中,已卧床3个星期了。(动作会继续下去)(2) 现在完成进行时表示从过去到现在的重复性动作现在完成进行时的这种用法
11、所表示的并不是一直在进行的动作,而是断断续续地反复发生的动作。如:What have you been doing all this time? 你一直都在干什么来着?(动作可能继续下去)That reporter has been contributing articles to this magazine all these years.这些年那个记者一直为这家杂志撰稿。(断断续续地反复发生的动作)动词的过去时1. 一般过去时(1) 一般过去时表示过去的动作或状态1 一般过去时通常与表示过去的时间状语连用。与一般过去时连用的时间状语有:yesterday, last night(week,
12、 year, month, Sunday),then, at that time, at that moment, just now, a few days(weeks, months, years) ago等。例句:Lucy turned off all the lights before she went out. 出门前露茜关了所有的灯。2 一般过去时也可以与today, this week(month, year)等时间状语连用,但这些时间状语应指过去。如:Did you see him today? 你今天见他了吗?(today指今天已过去的某一时刻)3 一般过去时还可以和for或s
13、ince引导的时间状语连用。如:I stayed there for two months. 我在那里呆了两个月。Nothing happened since then. 打那以后什么事都没有发生。(2) 有时一般过去时的时间状语或是在上下文、或是暗含于句中Who was that? 那人是谁?I saw Ker in town. 我在城里看见了克尔。(3) 一般过去时在时间和条件状语从句中表示过去将来的动作或状态。Hans said he would let us know if he got any news. 汉斯说要是得到消息就告诉我们。2. 过去进行时(1) 过去进行时表示过去某时正
14、在进行的动作1 过去进行时通常和时间状语连用。如:We were having dinner when they came.他们来的时候,我们正在吃饭。2 过去进行时表示过去某段时间内持续的动作。如:Carlos was staying at home all last week.上周整整一周卡洛斯都在家呆着。They were building a dam last spring. 去年春天他们一直在修一个水坝。3 过去进行时表示与过去某个动作同时发生的动作。如:I was reading while she was writing. 我在读书,她在写字。4 有时过去进行时用于主句,位于其后
15、的when引导的从句表示意外发生的情况:I was walking in the street when it began to rain. 我正在街上走着,突然下起了雨。(2) 过去进行时表示过去将来的动作过去进行时的这种用法多表示过去的打算,通常仅限于come, go, leave, depart, start等一些表示移动的动词。如:He didnt know whether she was coming. 他不知道她是否会来。The delegation was departing three days later. 代表团打算三天后动身。3. 过去完成时(1) 过去完成时表示过去某时之前结束的动作或状态When he got there, the train had already left.他到了那儿时火车已经离开了。Ina realized she had made a mistake.艾娜意识到她犯了个错误。(2) 过去完成时与when等从句连用had+just / barely / hardly / scarcely+done.when., no sooner.than. 是表示“刚就”或“不等