英语六级考试语法解析:不定式部分
三、不定式
动词不定式是非谓语动词的重要组成部分,在六级考试中非谓语动词部分是一个重点。常跟不定式的动词有agree,fail,promise,afford,ask,happen,resolve,attempt.hesitate,seek,long,threaten,claim,manage,trouble,consent,neglect,try,decide,offer,undertake,demand,plan.volunteer,determine,prepare,want,pretend,wish,endeavor,proceed,struggle等,在了解了加to的单词之后,我们来看一看在什么情况下单词to可以被省略。
l、在一般助动词或者情态动词之后to可以被省略。
2、在动词make,let,watch,see之后作宾语的时候,to可以被省略。
3、在why和whynot之后to可以被省略,如:Whyspendsuchalotoftime?为什么花这么多时问?和Whynotgorightnow?为什么不现在去呢?
4、在hadbetter,hadbest,wouldrather,hadsooner,cannotbut,donothingbut等结构后面to可以被省略。
下面看一道有关不定式的例题:
Wesometimesimagineadesertisland_______asortofparadise,wherethesunalwaysshines.
A.tohave B.tobe C.having D.being
整个句子的意思是,我们有时候把荒岛想象成天堂,那里终日阳光普照。imagine后面常跟tobe+形容词结构,根据这个知识点,正确答案为B。
可以跟这种结构的动词还有think,consider,believe,find,feel,know,declare,guess,prove,suppose等。这个结构中的tobe常可以省略,如:Theyfoundhimguilty.他们发现他有罪。
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