1、助动词do的用法助动词do没有词义，起到帮助实义动词的作用，作谓语最常见的是do, does, did三种形式。1.现在式do （1）肯定式： do 否定式： do not 缩略否定式: don’t You speak English. 你说英语。一般疑问句： Do you speak English? 你说英语吗？ 特殊疑问句:Whatlanguagedoyouspeak? I like this red hat. 我喜欢这顶红色的帽子。 否定句：I don’t like
2、this red hat. 我不喜欢这顶红色的帽子。 一般疑问句：Do you like this red hat? 你喜欢这顶红色的帽子吗？ Yes, I do./ No, I don’t. 特殊疑问句：Which hat do you like? 你喜欢哪一顶帽子？ Don't go there. 不要去那里。 Don't be shy 不要害羞。 说明： 构成否定祈使句只用do，不用did和does。补充：do做实义动词WhenIget
3、home,Ialwaysdomyhomeworkfirst.回家时，我总是先做家庭作业。Hedoesthehomework.Doityourself.自己动手做DIY2.现在式第三人称单数doesWhatdoeshelooklike?Isheshortortall?Heisreallytall. He likes playingbasketball. 否定句： He doesn’t like playingbasketball. 一般疑问句及回答: Doeshe like playingbasketball.
4、? Yes, he does./ No, he doesn’t. 特殊疑问句: Which dress does she like? She likes that red dress. 否定句： She doesn’t like that red dress. 一般疑问句及回答: Does she like that red dress? Yes, she does./ No, she doesn’t. 特殊疑问句:
5、Which dress does she like?He likes oranges and apples. 否定句： 一般疑问句及回答: 特殊疑问句：I like oranges. 否定句： 一般疑问句及回答: 特殊疑问句：3. 过去式 肯定式： did 否定式：did not 缩写： didn’t I went to schoolyesterday. 否定句： I didn’t go to schoolyesterday. 一般疑问句及回答: Did you go t
6、o schoolyesterday? Yes, I did./ No, I didn’t. 特殊疑问句: When did you go to school?
