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3．My father usually surfs the Net . 我爸爸经常上网。

4．My friend often does his homework after dinner. 我的朋友通常晚饭后做作业。

5．Kate always goes to school on time.Kate总是按时上学。

6．Jim brushes his teeth everyday. Jim每天刷牙。 How often … ? 多经常。。。？

How often do you take exercise ? 你有多经常做运动？

I take exercise after class everyday . 我每天放学后做运动。

How often does your mother go shopping ? 你妈妈多经常购物？

She goes shopping at the weekend . 她周末购物。 Can 能 后加动词原型

What can you do with your legs ? 你能用脚做什么？ I can walk with my legs . 我能用脚走。

What can you do with your eyes ? 你能用眼做什么？ I can see with my eyes . 我能用眼看。

What can you do with your mouth ? 你能用口做什么？I can speak with my mouth . 我能用口说。

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What can you do with your hands ? 你能用手做什么？ I can work with my hands . 我能用手工作。 What can you do with your ears ? 你能用耳做什么？ I can hear with my ears . 我能用耳听。 / can’t . / can’t .

Yes, / No, can’t . 情态动词

一、 can, 表示能力。 Can you lift this heavy box? Mary can speak three languages. Can you skate?

Can只有一般现在时和一般过去式； 2) 表示请求和允许。 -----Can I go now?

----- Yes, you can. / No, you can’t. 3) 表示客观可能性。

They’ve changed the timetable, so we can go by bus instead.

This hall can hold00 people at least. 4) 表示推测，用于疑问句、否定句和感叹句中。 Can this be true?

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This can’t be done by him. How can this be true? 二．should,

1) should,表示 应该 劝告、建议和命令。

1. I should help her because she is in trouble. 1. You should go to class right away. 2. Should I open the window? 3) 表示推测 Should , must 。

1. He must be home by now. 2. He should be home by now. 用适当的情态动词填空。

1. Must I stand up?No, you ________.

2. ________ I speak something?Yes, you ________. 3. ________ I leave the park now? No, you _________ stay here.

4. My grandmother is ill. I _________ stay at home and look after her.

5.________ you like some juice? 6. They ________ take more exercise.

7. ________ you tell me the way to the museum? 8. The watch ________ tell us the right time.

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9. ________ you like to go boating with us? 10. ________ we play chess next weekend? 按要求改写句子。 1.She can walk quickly.

I ________ ________quickly . 2. You have to finish the work now. ________ I the work now? No, you ________. 3. They can paint the wall well. _______ they ______ the wall well? 4.Tom must carry the box into the room. Tom ________ ________ carry the box into the room. 5.She should reach the station early. She _______ _______ reach the station early. 单项选择。

1.you like some bread ?A . Would B. Could C . Can. We throw the waste in the zoo.A. can’tB. don’t

C. mustn’t

.W e should more flowers, and we shouldn’t cut any flowers.

A. plant B. planting C. plants .May I have some water?

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