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1、Do 和Does的用法作为助动词的do和does是没有词义的，它们在句中的构成一般现在时的疑问句和否定句。三单用does,复数用do询问动物是否喜欢什么句型：Dosnakeslikemusic?【复数,用do提问，they答】肯定回答：Yes,theydo.否定回答：No,theydont.Doessnakelikemusic? 【单数，用does提问，it答】肯定回答：Yes,itdo.否定回答：No,itdont.询问别人是否经常干某事句型：Doyouoften?你经常干什么吗？回答：Yes,Ido/No,Idont.例：Do you often play games? 你经常玩游戏吗？
2、Yes,Ido/No,Idont.询问别人是否想要干某事句型：Doyouwantto+动词原形?你想干什么吗？肯定回答：Yes,I(we)do/Yes,please. 否定回答：No,I(we)dont/No,thankyou例：Doyouwanttodrink a coffee? 你想喝一杯咖啡吗？ Yes,I(we)do/Yes,please. No,I(we)dont/No,thankyou练习题：1.What_you need for breakfast? Some milk and an egg.2.I_want any juice.I want some milk.3.Do Ben
3、 and you like vegetables? No,we_.4.How_they go to school?By underground.5._your friend have lessons every day?No,he_.6.What_your father do? Hes a shop assistant.7.Tom,_make a noise in class,please.8.Kitty_do her homework at school.She_it at home.三将下列句子改为否定句和一般疑问句1.I do my homework at home.否定句：一般疑问句：2.We have a picnic on Sundays.否定句：一般疑问句：3.Ben rides his bicycle at four oclock.否定句：一般疑问句：4.Kitty goes to bed at half past nine.否定句：一般疑问句：5.Janes father gets up at quarter past six every morning.否定句：一般疑问句：
