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英语语法(第一季)Day10:情态动词与实义动词

英语语法(第一季)Day10:情态动词与实义动词

作者: 背对背拥抱 | 来源:发表于2017-12-02 01:12 被阅读0次
    动词分类:

    1)实义动词:有具体意思,可单独做谓语;
    如:eat,read,love

    2)情态动词:有具体意思,不可单独做谓语,要搭配实义动词一起使用;
    如:can,could,may,might,shall,will...

    3)助动词:无具体意思,不可单独做谓语。
    如:be,do,have

    情态动词不能单独做谓语:

    例:
    I play basketball.------------------正确
    I can play basketball.------------正确
    I can basketball.------------------错误

    注意:
    A:Who can play basketball?
    B:I can.

    这里的I can只是一种省略,完整表达是:I can play basketball.

    十大情态动词:

    can,could
    may,might
    shall,should
    will,would
    must,had better

    补充:
    与情态动词意义作用相当的短语:
    can--be able to
    will--be going to
    should--ought to/be supposed to
    must--have to/have go to

    半情态动词:
    (可作情态动词,又可作实义动词)
    need,dare

    详解:

    1.can,could:

    基本意思:可以,能;
    could是can的过去式

    例:
    I can play basketball.
    I could play basketball , but now I can't.

    另外:
    1)可以表示判断
    --what caused his cancer?
    --It can be smoking.
    --It could be smoking.

    2)有时用could是为了让语气更委婉:
    Can you help me?
    could you please help me?

    2.may,might:

    基本意思:可能,也许

    I may be busy romorrow.
    我明天可能会很忙
    You might be late if you don't leave now.
    你现在不出发的话可能迟到哦。

    3.will/would:

    基本意思:将,将要
    would是will的过去式

    will表将来:

    I will go there tomorrow.
    我明天将要去那。

    would使语气更委婉:

    Would you wait for me?
    你愿意等我吗?(表请求)
    Will you wait for me?
    你会等我吗?(表询问)
    Would you go with me?
    你愿意和我走吗?
    I wish you would stay.
    我希望你留下。

    4.should:

    基本意思:应该,应当
    You should work hard.
    另外:

    表推断:
    Dinner should be ready now.

    It should be true.

    5.must:

    基本意思:必须
    You must word hard.
    另外:

    表推断:
    Dinner must be ready now.
    It must be true.

    注意:

    表推断时,可能性大小排序(从高到低)

    must>should>could>may>might

    作业:

    翻译:
    1.明天我回来。
    I will come back tomorrow.

    2.你能帮我吗?
    Could you please help me?

    3.我会踢足球。
    I can play football.

    4.你应该写作业。
    You should do homework.

    5.你必须道歉。
    You must apologize.

    6.我可能会失败,但我不放弃。
    I may lose,but I never give up.

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