when sb. do sth.和when sb. doing sth. when do sth. 和when doing sth.区别和用法务必简单明了.

when sb. do sth.和when sb. doing sth. when do sth. 和when doing sth.区别和用法务必简单明了. make sb do sth 和let sb do sth区别 force sb do sth 和 make sb do sth 区别 when sb doing sth,sb doing sth 这个句型可不可以?这个句型可不可以?如果可以,在什么时候使用?when sb doing sth,sb do sthwhen sb do sth,sb doing sthwhen sb do sth,sb do sth这几个呢? Hear sb to do sth 和 hear sb doing sth make sb.to do sth,make sb doing sth和 make sb.do sth区别 help sb with sth,help sb for doing sth和help sb do sth 的区别? help sb to do sth和help sb do 用 Sb who do sth be like sb else doing sth else who,when/once.造句 make sb do sth 和let sb do sth 和have sb do sth 和get sb to do sth 有设么区别? hope sb.to do sth.和hope sb.do sth.的区别.有hope sb.to do sth. while,when,+什么（例：want sb to do sth） wish sb.do sth.和wish sb.do sth.的区别是什么?wish sb.do sth.和wish sb.to do sth. notice sb.do sth.; notice sb.doing sth.和notice sth.done的区别就这样 英语：help sb. do sth. 、help sb. to do sth. 、help s英语：help sb. do sth. 、help sb. to do sth. 、help sb. sth. 和help sb. with sth.四者有什么区别?（诚心提问,捣乱勿进） 求help sb.do sth.和help sb.to do sth.的区别和用法. take sb do sth make sb do sth