1、 七年级英语 双休日作业 班级: 姓名: 等级 英语句型变化总结练习 1、含有be动词 am,is,are构成的句子: 变一般疑问句时把am,is,are提到句子的前面,句尾用问号即可。 变否定句时直接在am,is,are后面加not即可。例如: 肯定句:He is a student。 一般疑问句: a student? 否定句: He a student。 肯定句:We are from China. 一
2、般疑问句: from China? 否定句:We from China 2. 由情态动词can, may, should等构成的句子: 变一般疑问句时把can, may,提到句子的前面,句尾用问号即可. 变否定句时直接在can, may,后面加not即可。 例如: 肯定句: She can swim. 一般疑问句: she swim? 否定句: She sw
3、im。 3。 由行为动词构成的句子: 需要加助词do或does。 变一般疑问句时把do/does放在句子前面. 变否定句时在主语后面加don’t / doesn't , 谓语用动词原形。例如: 肯定句: They play football after school。 一般疑问句: play football after school? 否定句: They football after school。 肯定句: Tom watches TV every day.
4、 一般疑问句: Tom TV every day? 否定句: Tom TV every day. 注意:变否定句时相关词的改变 肯定句变否定句时,除将谓语变为否定式外,句中其他词语也可能随之改变: 如将some改为any, too和also改为either, and改为or等: There are some birds in the tree. 树上有些鸟。 →There aren't ______ birds in the tree. 树上没有鸟。 He likes the book,
5、 too. 他也喜欢这本书。 →He doesn’t like the book, ______. 他也不喜欢这本书。 He likes singing and dancing。 他喜欢唱歌和跳舞。 →He doesn't like singing ______dancing。 他不喜欢唱歌也不喜欢跳舞。 补充练习: 根据句后括号内的要求,填入句中所缺的词: 1. I know the answer. (一般疑问句) ______ ______ know the answer? 2. We can see some birds. (一般疑问句)
6、 ______ ______ see ______ birds? 3. There is a computer in the house. (一般疑问句) ______ ______ a computer in the house? 4。 There are some flowers on the teachers' desk. (一般疑问句) ______ ______ any flowers on the teachers' desk? 5. There are some apples on the tree. (否定式) There _____
7、 ______ ______ apples on the tree。 6。 I think he is old. (否定句) I ______ think he ______ old. 7. Open the window. (否定句) ______ open the window. 8. We can speak good English. (变否定句) We ______ ______ speak good English。 9。 Thank you for helping me。 (同义句) Thank you for ______ ____
8、 . 10. Whose is this book? (同义句) ______ ______ is this? 11。 This is her book. (同义句) This book ______ ______ . 12。 Her sweater is red. (对划线部分提问) ______ ______ is her sweater? 13. My pencils are in the pencil-box. (对划线部分提问) ______ ______ your pencils? 14。 I get up at six e
9、very day. (对划线部分提问) ______ ______ do you get up every day? 15。 There are fifty students in my class。 (对划线部分提问) ______ ______ students are there in your class? 16. These are cars. (用buses改写成选择疑问句) Are these cars ______ ______ ? 17。 The book is in my schoolbag。 (变疑问句) ______ the book in your school-bag? 18。 Two boys are in our house。 (改为there be句型) ______ ______ two boys in our house。 19。 Can you find the key? (作肯定回答) ______ ,I______ . 20. It’s Monday today. (对划线部分提问) ______ ______ is it today ?
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