新概念英语第一册 语法点归纳学案 Lesson49-50（含练习答案）

中小学教育资源及组卷应用平台 新概念英语第一册 语法点总结 Lesson49-50 一、动词的第三人称单数形式: 变化规则: 1）一般情况下加-s like→likes; make→makes;play→plays 2）以-s,-,-ch,-sh,或-o结尾加-es go→goes; watch→watches;wash→washes;fix→fixes 3）以辅音字母加 y 结尾 y→i, 加 -es study→studies;carry→carries;try→tries 4）不规则变化 be→is; have→has does和doesn’t 在句子中的用法 否定句：主语+don’t/doesn’t+动词原形+（其他）。如： I don’t watch TV. 我不看电视。 当主语为第三人称单数时，要用doesn’t 构成否定句。如： He doesn’t watch TV. 他不看电视。 注意doesn’t后面用动词原形watch，而不是watches 一般疑问句：Do / Does+主语+动词原形+（其他）。如： Do you watch TV Yes, I do. / No, I don’t. Does he watch TV Yes,he does./No,I doesn't. 小试牛刀： 1. He often _____(have) dinner at home. 2. Daniel and Tommy _____(be) in Class One. 3. We _____(not watch) TV on Monday. 4. Nick _____(not go) to the zoo on Sunday. 5. _____ they _____(like) the World Cup 6. What _____they often _____(do) on Saturdays 7. _____ your parents _____(read) newspapers every day 8. The girl _____(teach) us English on Sundays. 9. She and I _____(take) a walk together every evening. 10. There _____(be) some water in the bottle. 11. Mike _____(like) cooking. 12. They _____(have) the same hobby. 13. My aunt _____(look) after her baby carefully. 14. You always _____(do) your homework well. 15. I _____(be) ill. I’m staying in bed. 16. She _____(go) to school from Monday to Friday. 17. Leo _____(do) not like PE. 18. The child often _____(watch) TV in the evening. 19. John and Andy _____(have) eight lessons this term. 20. －What day _____(be) it today － It’s Saturday. 参考答案： 1.has 2.are 3.don't 4.doesn't go 5.Do like 6.do,do 7.Do,read 8.teaches 9.take 10.is 11.likes 12.have 13.looks 14.do 15.am 16.goes 17.doesn't 18.watches 19.have 20.is 二 、选择疑问句: 选择疑问句是指提出两个或两个以上可能的答案供对方选择的句式。前一部分是一般疑问句或特殊疑问句，后面加上or提供给对方另一个条件，让对方根据实际情况进行选择回答。 选择疑问句回答时不能用yes或no，应从所给的选项中选择一个作为答语, 或者根据实际情况回答。语调一般是第一种选择用升调，最后一种选择用降调。 选择疑问句有两种结构。以“一般选择疑问句”为基础。 1.一般选择疑问句 一般疑问句+ or+被选择的情况 --Do you like English or Chinese 你喜欢英语还是语文？--I like English.我喜欢英语。 Which would you like better，tea or coffee 茶和咖啡你更喜欢哪种？ 2.特殊选择疑问句 特殊疑问句, A or B - Which do you like best, tomatoes, potatoes or cabbage 你最喜欢哪种蔬菜,西红柿,土豆还是卷心菜 - I like potatoes best. 我最喜欢土豆。 小试牛刀： 1.When will they start their work, today _____ tomorrow A.and B.but C.or D.to 2._____ do they live now, Beijing or Shanghai A.Where B.When C.Which D.How 3._____ one did you take, the bigger one or the smaller one A.What B.Which C.When D.Why 4.How do you go to work, by bike or ____ bus A./ B.by C.take D.taking 5.What did you draw, a cat or _____ dog A.a B.an C./ D.the 6.What do you want to do, ____ or _____ A.swim,shopping B.sw ... ...