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?

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? help sb doing sth sb doing sth是什么意思? stop sb doing sth suggest sb doing sth sb spend + doing sth sb was doing sth 用 Sb who do sth be like sb else doing sth else who,when/once.造句 Sb keep sb doing sth造句 Sb keep sb from doing sth造句 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. warn sb.against (doing)sth. 英语中 sb.sth doing there be sb/sth doing sb.make me doing sth. force sb.into doing sth. keep sb doing sth例句 是不是help sb doing sth