专题7 动词时态与语态
考点一、动词时态的分类及其应用 时态(表现在实义动词的形式变化上
及物动词必须跟宾语 不及物动词不直跟宾语 需要(有实在意义) 有明显的时间标志 用法 表示平时经常或习惯性动作 某次过去做某事 现在正在做某事 过去正在做某事 现在将要做某事 过去将要做某事 到现在已经做某事 到过去已经做某事 时态名称 一般现在时 一般过去时 现在进行时 过去进行时 一般将来时 ★过去将来时 现在完成时 ★过去完成时 谓动的表现形式 do/第三人称单数形式does did(谓语动词用过去式) (am/ is/ are)be+doing was/were+doing will+do(动词原形) would+do(动词原形) have/(第三人称用has)+done had+done(过去分词) 1、一般现在时的用法
1) 表示经常性或习惯性的动作。如:I leave home for school at 7 every morning. 2) 表示普遍真理,客观存在,科学事实。如:The earth moves around the sun. 2、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。如:Where did you go just now? 2)表示在过去一段时间内,经常性或习惯性的动作。如:When I was a child, I often played football in the street. 3、现在进行时
1) 表示现在( 指说话人说话时) 正在发生的事情。如:We are waiting for you.
2)表示长期的或重复性的动作,说话时动作未必正在进行。如:Mr. Green is writing another novel. (说话时并未在写,只处于写作的状态。)
3)短暂性动词的进行时一定表示将来的含义。如:We are arriving at London. 4、过去进行时
1)过去进行时主要表示过去某个时刻正在进行的动作,常和表示过去的状语连用。如:What were you doing at nine last night? 昨晚九点的时候,你在做什么?
2)过去进行时也可以表示过去某一段时间内正在进行的动作。如:From 1983 to 1998 , he was teaching at Yale .从1983到1998年,他正在耶鲁大学教书。
5、一般将来时
1)表示将来某个时间要发生的动作或存在的状态,也表示将来经常或重复发生的动作。 2)will do
表示主观意愿做某事。如:I will see a movie this morning.
表示客观的不以人的意志为转移的客观将来。如:Fish will die without water. 3) be going to +do
表示计划,安排要发生的事。如:The play is going to be produced next month。 6、过去将来时
立足于过去某一时刻,从过去看将来,常用于宾语从句中。如:Wang Lei said that she was going to visit her uncle next Saterday。 7、现在完成时
1)表示过去发生或已经完成的某一动作对现在造成的影响或结果。如:I have finished my homework. 我做完家庭作业了。(过去某时开始做,到现在已完成。) 2)表示:过去已经开始,持续到现在的动作或状态,并且有可能继续下去。如:I have studied English for six years. 我已经学了六年英语了。 8、过去完成时
1)以过去某个时间为标准,在此以前发生的动作或行为,或在过去某动作之前完成的行为,即“过去的过去”。 如:As soon as we got to the station, the train had left. 考点二、时态的判断 时态判断 时间状语 时态类型 标志 频率/真理/时间条件状 often,never every day等 一般现在时 yesterday, just now,when+从句 ago, yesterday, last week, in 1989 一般过去时 look, listen与频度副词连用 now, these days 现在进行时 when+过去进行时 at this/ that time yesterday 过去进行时 in+时间段 tomorrow, next year 一般将来时 常用于宾语从句中 the next day/ year/ week 过去将来时 already,yet,ever,never,before,for so far,in the past years,,since 现在完成时 before/ by+过去进行时 by yesterday/then/the end of 过去完成时 考点三、被动语态的分类及构成
定义:英语动词有两种语态,主动语态表示主语是动作的执行者,被动语态表示主语是动作的承受者它有各种时态。。
构成:助动词be+及物动词的过去分词(助动词有人称,时态和数的变化)。 被动语态的用法:
1.不知道动作的执行者是谁。如:This kind of car is made in Shanghai. 2.没必要指出动作的执行者。如:Rice is grown in southern China. 3.需要强调动作的执行者。如:The man is caught by the police.
4.动作的发出者不是人。如:The tree was blown down by the strong wind. 被动语态(表现在谓语动词的形式变化 及物动词有被动语态 不及物动词不直跟宾语 需要(表示被动) 用于强调 时态名称 用法 谓动的表现形式 一般现在时 一般过去时 现在进行时 过去进行时 一般将来时 过去将来时 现在完成时 过去完成时 ★含有情态动词 am / is / are + done(过去分词) 表示平时经常或习惯性动作 was / were + done am/ is/ are + being + done was/ were + being + done will + be done would + be done have/ has + been + done had + been + done 情态动词+ be+ done 某事过去被做 某事现在正在被做 某事过去正在被做 某事将要被做 某事过去将要某事 某事到现在已经被做 某事到过去已经被做 某事可能、必须被做 主动语态变为被动语态的一般变化,通常分三步:
1把主动语态的宾语变成被动语态的主语。2把主动语态的谓语变成被动语态的be + 过去分词形式,时态要与原句保持一致。3把主动语态的主语变为介词by 的宾语,放在谓语动词之后,by 短语可以省略。例:My sister invited me to her dinner party.→I was invited (by my sister) to her dinner party.
注意:1.固定短语在构成被动语态形式时,后面的介词或副词要保留。You should take good care of your sister.→ Your sister should be taken good care of.
2.主动语态中感官动词(see, hear, feel, watch, notice等) 以及使役动词(make, let等)后跟省略to的不定式,在被动语态中必须还原to。如:I often see him play basketball. →He is often seen to play basketball (by me).
3.带有双宾语的动词变成被动语态时,若将直接宾语变为主语,则应在间接宾语前加to或for。如:He showed me a nice photo.→I was shown a nice photo.或 A nice photo was shown to me.
4.带复合宾语(宾语+ 宾补)的动词改为被动语态时,一般把主动结构中的宾语改为主语,而宾语补足语保留在谓语动词后面。如:We always keep our school clean and tidy. →Our school is always kept clean and tidy. 如:
5.以who为主语开头的疑问句,变被动时,用by whom放在句首。如:Who wrote the story?→By whom was the story written?或→Who was the story written by?
6.不及物动词没有被动语态,如:rise, happen, succeed, remain, lie等。如:When we got to the top of the mountain, the sun had already risen.
7.宾语是反身代词,相互代词,同源宾语,不定式,Ving形式及抽象名词等,不能变为被动句子的主语。如:I taught myself math. We help each other.
一、选择填空
1. A mother who ________ her son will do everything for his happiness. A. is loving B. loves C. loved D. has loved 2. Look at John! What ________ ?
A. does he B. he is doing C. is he doing D. does he do 3. He ________ home for nearly three weeks.
A. has gone away from B. has left C. has been away from D. went away from 4. Since you don't want to go, I ________ alone. A. will go B. go C. went D. have gone
5.They wanted to know when they ________ have an examination.
A. had gone to B. were going to C. would be going D. had been going 6. He ________ out when somebody called at his office.
A. has just gone B. had just gone C. just went D. just now went 7._____ a new library _____ in our school last year?
A. Is,built B. Was , built C. Does ; build D . Did ; build 8.Cotton ____ in the southeast of China. A. is grown B. are grown C. grows D. grow 9.So far, the moon ____ by man already.
A. is visited B. will be visited C. has been visited D. was visited 10.A talk on Chinese history _____ in the school hall next week. A. is given B. has been given C. will be given D. gives 11.A lot of things ____ by people to save the little girl now.