动词不定式的用法课件

常用it作形式主语Itiskindofyoutohelpme（形容词修饰人，用of）ItisimportantforyoutostudyEnglish宾语(object)能够接动词不定式作宾语的动词ask，hope，mind，decide，miss，offer，manage，beg，但finish，wonder，常见的动词有decide，fail，pretend，Ihopetovisitthisplaceagain动词不定式与名词构成复合宾语时，IfounditimportanttostudyEnglishIthinkitourdutytoobeythelaws一些动词要用wh-疑问词+不定式作宾语，谓语动词常常用单数Todomorningexercisesisusefulforourhealth如果动词不定式太长，appreciate，remember，know，advise，refuse，enjoy，findout，agree，learn，prepare，it形式宾语，determine，suggest等通常接动名词作宾语，understand，GrammarInfinitive动词不定式的形式FormsofInfinitivetodonottodotobedonetohavedone动词不定式的作用FunctionsofInfinitive主语(subject)宾语(object)表语(predicative)定语(attribute)状语(adverbial)主语(subject)不定式做主语时，promise，wish及wouldlike/love等，plan，see等Idon’tknowwhattodohowtodoitwho(m)toask/invitewhentostopwheretogoIhaven’tdecidedwhethertosellitornotShedidn’tknowwhichonetobuyWemustfindoutwhattodonextHedidn’tremem，