精选优质文档-倾情为你奉上中考英语不定式和动名词讲解练习不定式一:动词不定式的构成不定式的基本形式:to +动词原形,有时不用to。这里的to是不定式的符号,本身无意义,否定形式在前面加not.二:动词不定式的句法功能1) 主语:不定式作主语时,常用it 作形式主语,把不定式放在后面。 It is not easy for us to speak English.2) 表语:多数情况下,不定式作主语可转化为作表语。 My work is to clean the room everyday.= To clean the room everyday is my work.3) 宾语:不定式只能做某些动词的宾语,一般不做介词的宾语(but,except除外)。 -what sports does he like to play? -He likes to play basketball.4) 宾补:在make, let, see, hear, watch等使役动词,感官动词后,不定式省略toShe asked m