to 后动词原形可以加什么不改变句意答:后面接的to用动词原形 want,wish,hope,manage,pretend,decide,learn,agree,expect,demand,long,ask,care,choose,dare,fail,offer,plan,prepare,promise,refuse,desire,happen,appear,intend,would like to,be said to。to后用动名词 be/get used to doing养成做……习惯 get down to开始做……look ...