《2025年通城学典课时作业本七年级英语下册人教版》

祈使句常表达说话人对对方的劝告、请求或命令等，一般没有1. ________。而且，祈使句没有时态的变化，肯定句句式一般为“行为动词或2. ________＋其他成分.”；其否定句形式一般在句首加3. ________或Never。
情态动词can表示能力、许可等；其否定形式为4. ________，意为“不能；不会”；5. ________意为“必须；一定”，其否定式mustn't表示“禁止或不允许”；它们都没有6. ________和数的变化；have to意为“必须；不得不”，其否定式需要助动词7. ________；第三人称单数为has to。

答案： 1. 主语 2. 系动词 3. Don't 4. can't 5. must 6. 人称 7. don't/doesn't

一、根据句意，用情态动词can、must或have to的适当形式填空。
1. — Can you tell me how to get to the post office?
— Sure, I ________.
2. My brother ________ get there before six o'clock. It's too early.
3. — Does your mother ________ cook breakfast for you?
— No, she doesn't.
4. Look at the sign. You ________ smoke here, I think.
5. — Can I watch TV now, Mum?
— No, you ________. You must finish your homework first.

答案： 1. can 2. doesn't have to 3. have to 4. mustn't 5. can't

1. Mary has to get to school before eight o'clock every morning. (改为一般疑问句)
________ Mary ________ ________ get to school before eight o'clock every morning?

答案： Does；have to

2. Your friends can do the job for you. (改为否定句)
Your friends ________ ________ the job for you.

答案：  can't do

3. My parents have to work hard every day. (对画线部分提问)
What ________ your parents ________ ________ do every day?

答案：  do； have to 

4. You can't take photos in the library. (改为祈使句)
________ ________ photos in the library!

答案： Don't take 

5. Can Sam ask Cindy to help him with his English? (作出肯定回答)
Yes, ________ ________.

答案： he can

三、根据句意、汉语或首字母提示写出单词。
1. The young man sits in his office ________ (安静地).
2. Mr Brown often ________ (离开) for Beijing to visit his parents at the weekend.
3. My grandmother ________ (喂养) a lot of chickens, ducks, pigs and dogs.
4. — Shh! You mustn't make any n________ in the library.
— OK, I know.
5. Peter is ill today, so he is a________ from the English test.

答案： 1. quietly 2. leaves 3. feeds 4. noise 5. absent