(1) (置于语义动词前构成否定句和疑问句)：You didn't even try. 你甚至都没有试一试。 She～esn't care about it. 她不在乎这个。 D～n't go near the edge! 别到边上去! “Didn't he sing well !” she shouted. “他唱得好不精彩!”她喊道。 “Didn't he sing well?”she asked. “他唱得不好吗? ”她问道。D～es she speak German? 她说德语吗? How～es it work? 它的工作原理是什么? Where～you come from? 你是哪儿人? You live around here，～n't you? 你住在附近，是吗? He didn't know about it， did he? 他不知道此事，对吗?

(2)(用于倒装句)：Little did he suspect. 他几乎毫不怀疑。Seldom/Rarely～we meet without quarrelling.我们很少见面不吵嘴的。Only then did he realize the truth. 只有那时他才认识到事实的真相。Not only did he promise to do it， but he did it. 他不仅答应了，也做到了。

(3)(用以加强语气)：I～think so. 我就是这么认为的。“He never comes.” “You are wrong. He～es come.”“他从不来。” “你错了。他来。”I did see a spirit. 我真是见到幽灵了。 D～come to my party. 一定要来参加我的聚会呀! Be seated. Please～be seated. 请坐，你请坐呀。

(4)(用以避免动词的重复)：I thought she wouldn't come， but she did. 我以为她不会来了，可她来了。 “Who took that?” “I did.”“谁拿走了? ”“我。”“Why～n't you try?” “I always～.” “你为什么不尽力而为? ”“我从来都是尽我所能。” “Shall I write to him?” “Yes，～.” “我要不要给他写封信? ” “写吧。”“He looks hungry. ” “So he～es. ”“他看样子饿了。”“是这样。”You saw him. So did I. 你见到他了。我也见到他了。 He didn't believe and neither/nor did she. 他不信，她也不信。He worked later than I did. 他工作得比我晚。She tries as hard as they～. 她像他们一样尽量努力。He rose early as he had always done. 他一如既往起得很早。“Do you like beer? ” “No， I～n't./Yes， I～.”“你喜欢喝啤酒吗? ”“不喜欢/喜欢。”