情态动词have to 的用法.意思是"必须.不得不".它侧重于客观上的必要和外界的权威. (1)结构:主语+have to+动词原形+其他 (一般现在时.主语是第三人称单数时.用has to,句子是过去时.用had to.)如: We have to wear sneakers for gym class. 在体育课上.我们必须穿运动鞋. Tom has to practice the guitar every day. 汤姆每天必须练习弹吉它. I had to get up at 5:00 am last Monday. 上周一.我不得不早上5点起床. (2)否定形式:主语+don't have to+动词原形+其他 (一般现在时.主语是第三人称单数时.用doesn't have to. 句子是过去时.用didn't have to) 如:Nick doesn't have to wear a uniform. 尼克不必穿制服. We didn't have to do our homework at once. 我们不必马上完成作业. (3)疑问句:Do +主语+have to +动词原形+其他 如:Do you have to stay at home on weekends? 周末你必须呆在家里吗?Yes, I do. / No, I don't. 是的.我必须.不.我不必.Did he have to go to bed by 11:00 last night? 昨晚.他不得不11点前上床睡觉吗? 2. 情态动词can的用法 (1)表示能力."会""能"(在第一册中已经学习这种用法) Can you play the guitar? 你会弹吉它吗?Judy can speak a little Chinese. 朱蒂会说一点中文.I can dance and sing. 我能唱歌又能跳舞. (2)表示允许.许可."可以"."能" Can the students run in the hallways? 学生们可以在走廊上跑吗?We can eat outside. 我们可以在外面吃东西.Can I come in? 我能进来吗? 注意 同样是情态动词.can 和have to 的用法是有区别的.和大部分情态动词一样.can在否定句中.直接在can后加上not.在疑问句中.把can放到主语前面.并且没有人称和数的变化. 查看更多

 

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阅读下面短文,用括号内所给动词的适当形式填空。(必要时可加情态动词或助动词)

To the Editor,

    We are students of No.10 Middle School.Recently we l         (visit)a paper factory.The paper factory is close to a lake which 2        (give)us drinking water.But we found that the factory 3       (pour)waster directly into the lake.Now the water in it 4       (be)very dirty.Lots of fish 5       (die).Some farmers living near the lake report that some of their sheep and cows 6      (become)ill and some have already died since they 7     (drink)the water from the lake.So we 8     (write)you this letter to see if you can 9     (do)something about this.We think the pollution must 10     (stop)right now.Thank you!

                                                              Yours sincerely,

                                                      Zhou Xin and Zhao Qiang

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Dear Jane,

   I have to(必须) go to work(工作) now. I prepare(准备) these things for you. Your schoolbag is on the desk. Your pen ,books,keys and your school card are in your schoolbag. Your clothes(衣服)and hat are on the dresser(梳妆台). The shoes(鞋子) are under the bed. Don’t forget your breakfast(早餐). It’s in the microwave oven(微波炉).

   Love you.

                                Mom

1.     leaves留下 the note便条.

A. Jane   B. Jane’s father  C. Jane’s brother  D. Jane’s mother

2.What’s in the schoolbag?

a. the pen b. the shoes c. the keys d. the school card e. the hat

A. a b c  B. b c d   C. a c d    D. c d e

3.Where are the shoes?They’re     .

A. on the bed. B. on the dresser C. under the bed  D. in the schoolbag

4.Where are the schoolbag?

A. On the desk   B. In the desk    C. Under the bed     D. On the dresser

5.The underlined划线的“forget”means意思是    .

A. 忘记    B. 拿走   C. 带来     D. 记住

 

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完成句子。
1. — 你曾去过大连吗?
    — Have you ______ ______ to Dalian?
    — 是的,去过.那是一个美丽的城市.
    — Yes, I ______. It's a beautiful city.
2. 我看过很多次英文电影了.
    I ______ ______ English films many times. 
3. 你曾听说过外星人吗?
    ______ you ______ ______ ______ the aliens?
4. 水族馆里有如此多的不同种类的鱼.
    There are ______ ______ different kinds of fishes in the aquarium.
5. 他们两人都不擅长运动.
    ______ ______ them is good at sports.

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When you have a cold, you must be unhappy (不快乐) because your body becomes hot, and there are pains (疼痛) all over. You don’t want to work, you stay in bed, feeling terrible.
What makes you ill? It’s germs. Germs are everywhere. They are very small and you can’t find them with your eyes but you can see them with a microscope (显微镜). They are very small and there could be hundreds of them in or on a very small thing.
Germs are always found in dirty water. When you look at dirty water under the microscope, you can see them in it.
Germs are found not only in water. They are also found in air and dust (灰尘). If you cut your finger (手指), and if some of the dust goes into the finger, it will become big and red, and you will have much pain in it. Sometimes germs will go into your body and you will have pain everywhere

  1. 1.

    The word “germ” means (意思是)___________

    1. A.
      细菌
    2. B.
      废气
    3. C.
      煤气
    4. D.
      空气
  2. 2.

    You can see germs____________

    1. A.
      when you are ill
    2. B.
      only when you use a microscope
    3. C.
      when you cut your finger
    4. D.
      everywhere around you
  3. 3.

    Your parents won’t allow(允许) you to drink dirty water because_________

    1. A.
      dirty water will make you dirty
    2. B.
      there are many germs in it and germs can make you ill
    3. C.
      you can see many germs in it
    4. D.
      it will make your finger red and big
  4. 4.

    The writer(作者) talks about__________

    1. A.
      how to keep dirty water clean
    2. B.
      how to look after your fingers
    3. C.
      how to find germs in the dirty water
    4. D.
      what can make you ill

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Look at the photo. The two girls have big blue eyes and long brown hair. They are ten. They are in the same class. The one in a yellow skirt is Lily. The other one in an orange skirt is Lucy. Their(她们的) dad is Mr. Brown. He is in a brown coat. Their mom is Mrs. Brown. She is in black shoes. Bob is their brother (哥哥). He is in a blue cap. He is a high school student. Look! Lucy and Lily are in the green car now.

根据短文内容,选择正确答案。

(   )42. What does Lucy look like?

A. She has black eyes and long hair.      

B. She has short brown hair.

C. She is tall.

D. She has blue eyes. Her hair is long and brown.

(   )43. The family has         people(人).

A. four                    B. five                   C. six                           D. seven

(   )44. What color are Mrs. Brown’s shoes?

A. Big.                    B. Blue.                 C. Brown.                    D. Black.

(   )45.文中画线的词汉语意思是        

A. 布朗夫人           B. 布朗小姐         C. 布朗老师                D. 布朗先生

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