九年级英语总复习教案B3U3
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概要:9.延续性动词与非延续性动词(1) 延续性动词: 表示动作能够持续发生一段时间的动词。如:be, have, know, work, live, study, teach, speak, talk, draw, wait, wear, walk, sleep等。Miss Gao has been here since 7:00. 高小姐七点起就到这儿了。(此句中不能用arrived或come)I have had the bike for five years.这辆自行车我已经买了五年了。(不能用bought)(2) 非延续性动词表示一个动作刚刚发生即告结束。如:come, go, arrive, reach, see, hear, close, leave, begin, start, lose, fall, join, die, get up等。它们可以用于完成时态的第一种,说明某个动作的结果还存在。但它们不可以用于完成时态的第二种。Grandpa Wang has died. 王大
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9.延续性动词与非延续性动词
(1) 延续性动词: 表示动作能够持续发生一段时间的动词。如:
be, have, know, work, live, study, teach, speak, talk, draw, wait, wear, walk, sleep等。
Miss Gao has been here since 7:00.
高小姐七点起就到这儿了。(此句中不能用arrived或come)
I have had the bike for five years.这辆自行车我已经买了五年了。(不能用bought)
(2) 非延续性动词
表示一个动作刚刚发生即告结束。如:
come, go, arrive, reach, see, hear, close, leave, begin, start, lose, fall, join, die, get up等。它们可以用于完成时态的第一种,说明某个动作的结果还存在。但它们不可以用于完成时态的第二种。
Grandpa Wang has died. 王大爷已经去世了。
The film has begun.电影已经开映。(现正放映)
这类动词不能和表示一段时间的状语连用。如:要表达\"王大爷已经去世两年了\"应这样写:Grandpa Wang has been dead for two years. 而不能写成:
Grandpa Wang has died for two years.
注:在for+时间段或 since+时间点的词组或句子上进行画线部分提问要用how long。同时用how long开始的句子中的谓语要用延续性的动词(时态不限)。
三、典型例题解答与分析
1. 词语练习:根据句意选择合适的词语填空。
1) -______you have locked the door.
-You needn’t worry about it. I _________I locked it before we left. (make sure, be sure)
2) Don’t worry! We’ll water the flowers as soon as we ______ home. (will arrive, arrive)
3) I’m very much ___________the teacher.
I’m __________ they won’t come to my party. (afraid of, afraid that)
4) Susan _______ _______ that she would have chance to come to China some day. (kept hoping, kept on hoping)
解析:1) Make sure; am sure (此句意思是:确定一下你是否锁门了。be sure回答是:别操心了,我肯定锁了。)
2) arrive (as soon as引导的是时间状语从句,所以当表示将来时时,从句应用一般现在时。)
3) afraid that (第一句话空后因为是一个名词,且意思是:害怕。afraid that第二句话空后是一句话,所以用that来连接一个从句。)
4) kept hoping (此句意思是:她一直希望有一天会有机会来中国。表示持续不断的动作或状态用keep doing…。)
2. Jim has been at the factory _______ two years ago. A. for B. since C. before D. after
解析: 答案为B。本题主要考查时间状语与谓语的关系。for后跟时间段表示一段时间,since后跟时间的起点,表示一段时间,before 表示在什么时间之前,after则表示在什么时间之后。本句是完成时态,指自两年前以来如何,且两年前是个时间的(起)点,因此,此处应用since。
3. Mr Smith has taught here ______ten years ago. A. for B. before C. since D. in to
解析:现在完成时态除表示动作已经完成外,还表示动作在过去已经开始,并一直延续到现在。常常和for或since所构成的时间状语连用。for后面的宾语表示的是一段时间,而since后面则是表示过去的某一时间点。since还可作连词引导时间状语从句,从句中的谓语动词常用一般过去时态,主句用完成时态。所以,根据题意本题答案为C。例如:
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