2013中考英語備考:“前肯后否”原則(必背重點)

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    反意疑問句是附加在陳述句之后、對所陳述的事實或觀點提出疑問的一種簡短句。使用這一句型時應(yīng)遵循“前肯后否”或“前否后肯”的原則。
    1.當陳述部分的主語是everyone, someone, nobody, each等表示人的不定代詞時,附加問句的主語用they。如:
    Each of the students went there, didn’t he?/didn’t they?
    2.當陳述部分的主語是everything, anything, something, nothing等表示物的不定代詞時,附加問句的主語用it。如:
    Something has gone wrong, hasn’t it?
    3.當陳述部分的主語是指示代詞this, that或these, those時,附加問句的主語應(yīng)分別用it 或they。如:
    This is the third time this week that he has had to study late, isn’t it?
    Those are the presents for the children, aren’t they?
    4.當陳述部分的主語為短語或句子時,附加問句的主語用it。如:
    Learning how to repair motors takes a long time, doesn’t it?
    5.當陳述部分如果是there be 結(jié)構(gòu)或是there live, there used to be, there seem等結(jié)構(gòu)時,附加問句仍用there,謂語則采用與陳述部分謂語相對應(yīng)的助動詞。如:
    There is something wrong with the car, isn’t there?
    6.當陳述部分是祈使句時,反意疑問句的結(jié)構(gòu)有以下三種:
    (1)當陳述部分是否定的祈使句時,問句部分可用will you,有時也可用can you。如:
    Don’t make a noise, will you? /can you?
    (2)當陳述部分為肯定的祈使句時,問句部分可用will you,也可用won’t you。如:
    Try it on, will you? /won’t you?
    (3)當遇到以Let’s 開頭的祈使句時,問句部分可用shall we;當遇到以Let us或Let me等開頭的祈使句時,問句部分一般要用will you。如:
    Let’s go skating, shall we?
    Let me/him try it again, will you?
    7.當陳述句是一個主從復合句時,附加問句的主謂語形式應(yīng)與主句保持一致。如:
    You don’t know when the building will be completed, do you?
    8.當陳述部分是I/We don’t think (suppose, believe, expect, imaging 等) +賓語從句結(jié)構(gòu)時,附加問句的主謂語要與賓語從句保持一致,而且要注意陳述句的否定轉(zhuǎn)移現(xiàn)象。如:
    I don’t think the plan is perfect, is it?
    We suppose you know it, don’t you?
    9.當陳述句中含有no, nothing, nobody, never, hardly, seldom, few, little 等否定詞時,附加問句一般采用肯定形式;當陳述部分使用了帶否定詞綴(前綴或后綴)的詞時,附加問句則可采用否定式。如:
    You dislike coffee, don’t you?
    He saw nobody, did he?
    There are few people in the room, are there?
    10.當陳述部分是并列句時,問句部分應(yīng)與最鄰近的分句的主謂語保持一致。如:
    He is a teacher but his wife is an engineer, isn’t she?
    
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