助动词及练习题

助动词在一般现在时中，动词do做为助动词无词义，只是帮助一般现在时构成否定句，一般疑问句；作为实义动词，其词义是“做、干”的意思。动词does是动词do的第三人称单数形式。一般现在时主语是第三人称单数

助动词 一、 do 在一般现在时中，动词做为助动词无词义，只是帮助一般现在时构成否 “” 定句，一般疑问句；作为实义动词，其词义是做、干的意思。 二、 doesdo 动词是动词的第三人称单数形式。一般现在时主语是第三人称单数， does 动词和助动词都用。 三、 dodoes 切记助动词和出现，实义动词用原形。 典型例题 1. They don’t wash their faces every night. A. B. 助动词无义没做 2. Peter often does his homework at home. A. B. 助动词无义做 3. She doesn’t do it. A. B. 助动词无义做 强化训练 一、 把下列动词变为第三人称单数形式。 1.live_____ 2.like_____ 3.do_____ 4.wake_____ 5.watch_____ 6.play_____ 7.have_____ 8.eat_____9.work_____ 10.fly_____ 11.speak_____ 12.go_____ 13.sing_____14.wash_____15.study_____16.drive_____17.ride_____ 18.try_____ 二、选择填空。 1. Iusually _____a cake on Saturday. A.make B.makes C.making 2. She _____ to play cars with her sister. A.want B.wanting C.wants 3. We _____ go home at 5:30 every day. A.doesn’t B.aren’t C.don’t 4. Mr. Wang doesn’t_____yellow. A.like B.likes C.liked 5. The pupils _____ very well. A.don’t sing B.aren’t sing C.doesn’t sing 6. Mike doesn’t _____ that. A.does B.do C.\ 7. The boys _____their homework after school in the afternoon. A.do B.does C.are 8. My mother _____ TV in the afternoon. A.watch B.watchs C.watches 9. I_____ music very much. A.am B.like C.am like 10 .They _____ have Maths every day. A.\ B.does C.are 11 .Xiaofang _____hard. A.work B.working C.works 12 .She _____ with her mather and father. A.is live B.isn’t live C.lives 13 .Tom and I_____ speak Chinese. A.doesn’t B.don’t C.does 14 .Li Ping _____ him every day.