动词不定式做主语和动名词做主语的区别答:(1)It’s difficult (important, necessary) for sb. to do (2)It’s kind (good, friendly, polite, careless, rude, cruel, clever, foolish, brave) of sb. to do.常用动名词做主语的句型有:It’s no good (use, fun) doing.It’s (a) waste of time one’s doing....
什么时候形容词后跟动名词或不定式答:decline,expect,elect,fail,offer,happen,seem,refuse,wait,pretend,promise,wish,hope,mean,long,learn,seek,intend,tend,manage,prepare,remember,forget,plan.等可以用与接不定式,但其中有些词也可以接别的形式,比如动名词等形式.可以用于”动词+宾语+不定式”的词.advise,allow,appoint,believe,...