1)动词+不定式2）动词+不定式；动词+宾语+不定式ask,beg,choose,expect,hate,helpintendlike,love,needprefer,prepare,promise,want,wish…3）动词+疑问词+todecide,know,considerforget,learn,remember,show,understand,see,wonder,hear,findout,explain,tell4)以下动词后，只能跟不定式作宾语。如：agree,ask,aim,arrange,choose,decide,demand,expect,fail,help,hope,lean,long,manage,offer,plan,prepare,pretend,promise,refuse,wish等，这些词大部分可接that引导的从句。5)当复合宾语中的宾语是不定式时，先用形式宾语it代替不定式，把不定式置于补语之后，即：主语＋动词＋it＋补语＋todo句式。动词+宾语+不定式(todo)adviseallowappointbelievecausechallengecommandcompelconsiderdeclaredriveenableencouragefindforbidforceguesshireimagineimpelinduceinforminstructinvitejudgeknowlikeorderpermitpersuaderemindreportrequestrequireselectsendstatesupposetellthinktraintrustunderstandurgewarnto+be的不定式结构，作补语的动词。Acknowledge,believe,consider,think,declare(声称),discover,fancy(设想),feelfind,guess,judge,imagine,know,prove,see(理解),show,suppose,take(以为),understand等等。。。。。祝你学业有成O(∩_∩)O~
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