用所给动词的适当形式填空。1._____ you _____ (read) this story book before?2. My mother _____ (go) out .She 's doing shopping in town.3. The car doesn't m-八年级英语

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英语中某动词在作系动词用时,无被动语态,而作实义动词用时,才有被动语态,二者不可混为一谈。例如:
不能说:
The apple is tasted good.
(因为taste此时是系动词,“尝起来”之意,指的是苹果的性质,无被动语态)
但我们可以说:
The apple is tasted by me.这苹果被我尝了一下。
(taste此时指“尝一尝”这一动作,有被动语态)
因此,在平时的英语教学和学习之 ,要有意注意半系动词在具体的语言环境中到底是系动词用法还是实义动词用法,要注意区分、识别。

4.瞬间动态系动词能否与时间段连用的问题
英语中某些表示瞬间意义的系动词不能与“for+时间段,since+时间点,how long until+时间,by + 时间,so far”等直接连用。例如:
①不能说:He has become a teacher for 2 years.
应改为:He has been a teacher for 2 years.
②不能说:He has turned writer since 3 years ago.
应改为:He has been a writer since 3 years ago.
或It is three years since he turned writer.
③不能说:He got angry until his child came back home.
应改为:He didn’t get angry until his child came back home.

5.系动词能接几种表语(从句)
系动词除了接adj.\n.\prep.短语,某些adv.以外,还可接以下几种表语形式:
①能接as if/as though表语从句的系动词有:look(看起来),smell(闻起来),sound(听起来),feel(觉得);appear(显得),seem(似乎)。例如:
It looks as if we are going to have snow.看样子天要下雪了。
He looked as if he had just stepped out of my book of fairy tales.
他看来好像刚从我的童话故事中走出来似的。
She seemed as if (though) she couldn’t understand why Laura was there.
看来她好像不能理解为什么劳拉呆在那儿。
It sounds to me as though there’s a tap running somewhere.
我好像听到某处水龙头流水的声音。
She felt as if her head were splitting.
她仿佛觉得她的头要裂开了。
The river appeared as if enveloped in smog.
那条河好像笼罩在烟雾之中。
It seems as if it were spring already.
好像已是春天了。
②可用于“It+系动词+that从句”结构的有:seem, appear, 不可用be, look。如:
It seemed that he had made some serious mistakes in his work.
好像他在工作中犯了严重错误。
It appeared that he was talking to himself.
好像他在自言自语。
③能用不定式作表语的系动词有:be, seem, get, look, appear, prove, grow.
Her job is to look after the children.
她的工作是照料孩子们。
He seems not to look after the children.
他好像不是她的父亲。
She looks to be a young girl of twenty year-old.
她看起来像是一个20岁的年轻姑娘。
He didn’t appear to dislike it.
看不出他憎恨此事。
My advice proved to be wrong.
我的建议证明是错误的。
He will grow to like this work gradually.
他会逐渐喜欢这个工作的。
④能与there连用的系动词有:be, appear, seem.
There appeared to be only one room.
那儿好像只有一个房间。
There seems(to be)no need to go.
似乎没有必要走。

6.能用两种否定形式的系动词有两个:seem, appear.
举例说明:
It doesn’t seem that we can get our money back.= It seems that we can’t get our money back.
He seems not to be her father.= He doesn’t seem to be her father.
The baby doesn’t appear to be awake.= The baby appears not to be awake.

7.后接作表语的过去分词可构成系表结构
能构成系表结构的系动词通常有两个:第一个是常见的be(is, am, was等);第二个是get,口语中常用。
当二者作系动词用时,它们均表示一种存在状态,而不表示被动动作;当二者作助动词用时,后接作谓语的过去分词构成被动语态。
Be + P.P常可以用get + P.P.来代替,但是并不是be系动词总是可以用get来代替。Get + P.P.系表结构常用于以下两种情况:
1)表示偶然的、突发性的、意想不到的被动动作的结果或状态。
Last night I got caught in the downpour.昨夜我被雨淋了(表示意想不到)
The new car got scratched.新车给刮坏了。(表突发性)
2)表示对自身所作的事。如get dressed, get lost等。
John got injured while playing football last Saturday.约翰上周星期六踢足球时受了伤。
They got married last month.他们上个月结婚了。
另外,要注意区分系表结构与被动语态结构的用法。

考点名称:动名词

  • 动名词:
    如果一个动词加上了ing变成了名词,那么这个词称动名词。 动名词是一种兼有动词和名词特征的非限定动词。
    它可以支配宾语,也能被副词修饰。
    由于动名词是由动词变化而来,它仍保留着动词的某些特征,具有动词的某些变化形式,用以表达名词所不能表达的较为复杂的意念。
    动名词的名词特征表现在它可在句子中当名词来用,作主语、宾语、表语、定语。

  • 动名词的结构和形式:
    动名词的否定结构:
    动名词的否定结构由not 动名词组成。如:
    Trying without success is better than not trying at all. 实验没有成功也比不实验好。
    He hated himself for not having work hard. 他悔恨自己没有用功。
    I’m sorry for not having telephoned you before. 很抱歉,没有早给你打电话。
    He felt sorry for not having done the work well. 他为没有把工作做好感到难过。
    I fancy it has done you a lot of good not going. 我看不去对你倒好了。
    (not going 是动名词一般式的否定形式)
    There is no denying the fact that he si diligent.
    (no denying 也是动名词一般式的否定)

    动名词复合结构:
    通常情况下,动名词的逻辑主语为谓语动词的主语。如果动名词动作的发出者不失谓语动的主语时,则需要有自己的逻辑主语物主代词或名词所有格加动名词就构成了动名词的复合结构,这种结构在句中可以作主语,宾语等。
    (1)逻辑主语是有生命的名词作主语时,必须用名词或代词所有格,作宾语时(尤其在口语中),也可用名词普通个或人称代词宾格。如:
    Do you think my going there will be of any help?
    你看我去会有什么帮助吗?(宾语)
    The student’s knowing English well helps him in learning French.
    这位学生通晓英语对他学法语很有帮助。(主语)
    Do you mind my(me) smoking ? 你介意我抽烟吗?(宾语)
    They insist on Mary’s (Mary) going with them there.
    他们坚持要玛丽跟他们一起去那儿。(介词宾语)
    (2)逻辑主语是无生命名词是,通常只用名词普通格。如:
    Do you hear the rain pattering on the roof?
    你听见雨点打在屋顶上了吗?
    Is there any hope of our team winning the match ?
    我们对赢得比赛有希望吗?
    (3) 逻辑主语是指示代词或不定代词this that , somebody , someone , nobody, none, anybody, anyone 时,只用普通格。如:
    She was woken up by somebody shouting outside.
    她被外面喊叫的人吵醒了。

    动名词的形式(一般式,完成式和被动式):
    (1) 动名词的一般式所表示的动作与谓语动词所表示的动作同时发生,或在谓语动词表示的动作之后。如:
    We are very interested in collecting stamps. 我们对集邮很感兴趣。
    His coming will be of great help to us . 他来对我们大有帮助。
    但是有些明确表示时间的动词和介词 after, on,upon, 或for之后,常用一般式代替完成式,表示动作发生在谓语动作之前。如:
    I shall never forget seeing the Great Wall for the first time.我永远不会忘记第一次看到长城的情景。
    On hearing that bad news , the mother couldn’t help crying. 一听到这个糟糕的消息,母亲就禁不住哭了起来。
    Excuse me for coming late. 我来晚了,请原谅。
    Thank you for giving us so much help. 谢谢你给了我们这么多帮助。
    (2) 动名词的完成式所表示的动作或状态在谓语动词之前完成或结束。
    He regrets not having taken part in the work. 他后悔没有参加这项工作。
    We were praised for having finished the work ahead of time. 我们因提前完成了这项工作而受到了表扬。
    (3)动名词的被动式:当动名词的逻辑主语是行为承受者时,用被动语态。如:
    I like being given harder work. 我喜欢接受难点的工作。
    She is proud of being admitted into the university. 她为被大学录取而感到自豪。
    The meeting was put off without his having been consulted. 会议延期并未和他商量。
    He doesn’t mind having been criticized. 他不介意过去受到的批评。

  • 动名词与现在分词的关系:
    动名词它在形式上与现在分词相同,都是在动词原形的词末加-ing。在现代语法中,这两种形式同视为"-ing形式"。
    这两种形式的另一个相同之处是:
    它们都是由动词变化而成的,它们都保留了动词的某些特征,它们都能带自己的宾语、状语,而构成动名词短语或是现在分词短语去担当句子成分。

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