动词不定式的结构是什么呢?答:ask, want, like, invite, encourage, help等.但在let, make, see, watch, hear, feel, notice, have等感官听觉动词或使役动词后面作宾语补足语的动词不定式一般要省略动词不定式符号“to”,可以归纳为以下三种句式:1
有哪些动词后用动词不定式(to do)答:1) 动词+ 不定式 2)动词+不定式 ;动词+宾语+不定式 ask,beg,choose,expect ,hate,help intend like,love,need prefer,prepare,promise,want,wish…3) 动词+疑问词+ to decide,know,consider forget,learn,remember,show,understand,see,wonder,hear,find out,explain,tell 4)以下动词后,只能跟...