2012届高考英语语法精讲精练非谓语动词[学生版].doc
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2012届新课标高三第二轮专题讲解
非谓语动词是高考的重点和热点,也是我们英语学习中所碰到的难点之一。非谓语动词分为三种形式:不定式,V-ing分词(又分为现在分词和动名词)和过去分词。
1.非谓语动词的语法功能
所能充当的成分主语表语宾语宾语(主语)补足语定语插入语(独立成分)V-ing形式现在分词●●●●动名词●●●●不定式(to do)●●●●●●过去分词(done)●●●●注:常见作独立成分的非谓语动词
to tell you the truth(实话说),needless to say(不用说),to be honest/frank(老实说,坦白说),to be more exact(更确切地说),to make things worse (更糟的是),not to mention…(更不用说),Generally / Frankly / Roughly speaking (一般说来 / 坦白说 / 粗略地说)
2.非谓语动词的变化形式
非谓语
形式构成时态语态复合结构否定式主动被动不定式一般式to doto be donefor sb. to do sth.
或
of sb. to do sth.在“to”前加not
或never进行式to have doneto have been done完成式to be doing/完成
进行式to have been doing/动名词一般式doingbeing donesb.或sb’s doing
作主语要用
sb’s doing在前加not
特别注意复合结构的否定式:
sb’s not doing
sb’s not having done完成式having donehaving been done现在
分词与动名词变化形式相同在前加not
(一)辨别谓语与非谓语
特别注意分析句子的结构才能辨别谓语与非谓语。
①The traffic rule says young children under the age of four and __ less than 40 pounds must be in a child safety seat.
A. being weighed B. weighs C. weighed D. weighing
【解析】容易误选B或C,将其当成谓语看待。under the age of four and ____ less than 40 pounds用作children的定语。动词weigh与名词children是主动关系,所以选择weighing。
②______ blood if you can and many lives will be saved.
A. Giving B. Give C. Given D. To give
【解析】如果不注意分析句子结构,会误选A或C项。这是祈使句+and+陈述句的句型。答案B。
(二)非谓语作主语、宾语的重点
1.it充当动词不定式的形式主语或形式宾语
①It is important for us to learn English very well.对我们来说学好英语是非常重要的。
②I think it important for us to learn English very well.我认为对我们来说学好英语是非常重要的。
it作形式主语使用动名词的句型
①It is no use/no good/useless+doing sth.
It is no use crying.哭没有用。
②It is fun(a great pleasure, a waste of time)
It is a waste of time trying to explain.设法解释是浪费时间。
2.用不定式还是用动名词作宾语有特殊规定
①I don’t want ____ like I’m speaking ill of anybody, but the manager’s plan is unfair.
A. to sound B. to be sounded C. sounding D. to have sounded
【解析】want后要跟动词不定式作宾语,s
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