want,would like , wish, hope, manage, pretend, decide, learn, agree, expect, demand,
long, ask, care, choose, dare, fail, offer, plan, prepare, promise, refuse, desire,
happen, appear, intend, like等后面接不定式。。。
keep,forget ,remember ,feel like ,mind doing,like/dislike,remember,admit,enjoy,keep,worth,forget,consider,prevent,require,mean,forbid等后面接ing。。。