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 swim.
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:
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)
see
birds?
3. There is a computer in the house. (一般疑问句)
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 every 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)
a student?
否 定 句 : He
a student.
肯 定 句 ：We are from China. 一 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.
否定句: Tom
TV every day.
1
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。
3
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 ?
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
ቤተ መጻሕፍቲ ባይዱ
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 :
9. Thank you for helping me. (同义句)
Thank you for
.
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)
→There aren’t
birds in the tree. 树上没有鸟。
He likes the book, 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
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.
一 般 疑 问 句 : Tom TV every day?
There 6. I think he is old. (否定句)
apples on the tree.
I
think he
old.
2
7. Open the window. (否定句)
open the window.
8. We can speak good English. (变否定句)
We
speak good English.
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?
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)