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    2．表示能力的情态动词 can可表示某人具有某种特定技巧.能力或通过感官意识到某物. could表示某人过去具有某种技巧.能力或意识. -Some people can ski better than others. 有些人滑雪比其他人好. Everyone in the village could hear her voice. 村子里每个人都能听见她的声音. be able to/be unable to不仅有现在时.过去时.还可有将来时.现在完成时.不定式.动词-ing形式等.例如: Our baby will be able to walk in a few weeks. 我们的婴儿几周后就能走路了. Since his accident he hasn’t been able to leave the house. 自从事故后.他就不能离开房子了. 3. 表示肯定推测的情态动词 must用于推测时.表示“一定 .“肯定 .表明说话人认为的可能性很大.一般只用于肯定陈述句中.否定形式用can’t.表示“一定不 “肯定不 如: Oh, you must be Sylvia’s husband. 你一定是西尔薇亚的丈夫. 语法总复习2- - -被动语态 被动语态表示主语是谓语动作的承受者.如:A new swimming pool will be built on our school. 被动语态的形式是由“助动词be+动词的过去分词 构成.助动词be随着主语的人称.数.时态和语气的不同而变化.各种时态的被动语态形式如下: 【查看更多】

     

    题目列表(包括答案和解析)

    用适当的情态动词填空。
    1. There being no bus that night,we ______ go home on foot.
    2. You _____ worry about him,he is not a child.
    3. You  _____ opened the letter, it was written for me.
    4. — Must I finish my homework today?
        — No,you____.
    5. You _____ play football on the road because it is dangerous.
    6. The windows _____ cleaning.

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    用适当的情态动词填空。
    1. _____  you like to share a room with
        your sister?
    2. Mum said to her baby" You _______   not  eat so many candies. "
    3. — You have so much work to do. _____.
        —  you like me to help you?
        — No, thanks.
    4. — ______ I finish the job tomorrow?
        — No, you needn't.
    5. — Could I use your computer?
        — Yes, you _____.
    6. — Need I go there with you?
        — Yes, you _____.

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    从下面方框中选择适当的情态动词填空。
    can't would may must shall should
    1. _____ you be so kind as to keep an eye on my house while I
      am away?
    2. — ___ I have a walk with you, Mum?
        — No, you mustn't.
    3. All the students _____ obey the school rules.
    4. We _____ help others when they are in trouble.
    5. He _____ be tired.  He has just begun to work.
    6. — ______ he use your bike?
        — Certainly. Here is the key.

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    用适当的情态动词填空

    ________ you like something to drink now?

     

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    用适当的情态动词填空

    He needn’t come to attend the meeting, ________ he?

     

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