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    外研版高中英语选修6 Module 5 重点解析
    编辑:admin 更新时间:2015-8-16 8:49:39 来源:中学英语网 【字号: 】 浏览:

    重点解析

    一、强调句

    1. It was on a cold November night that I saw my creation for the first time.
    强调句型结构
    ⑴基本结构: It is/was+被强调部分+that/who+其他
    例如: I met Tom in the street yesterday.
    →It was in the street that I met Tom yesterday.
    ⑵一般疑问结构: Is/Was +it +被强调部分+that +其他
    →Was it in the street that you met Tom yesterday?
    ⑶特殊疑问结构: 特殊疑问词+is /was +it +that+ 其他
    →Where was it that you met Tom yesterday?

    注意:
    ⑴ 强调人时可以用who代替that, 从句中的谓语动词要根据被强调的主语确定单复数形式。
    It is I who am your friend.
    ⑵ 强调时间或地点状语时不可用when 或where 代替that. 强调句有个办法鉴别, 把it is/was 和 that 去掉, 句子什么都不缺, 就是强调句,
    It was at ten o’clock that he came back.. 他是在10点回来的。(强调句)
    It was ten o’clock when he came back.. 他回来时是10点。(when引导时间状语从句)
    ⑶ 强调句型的特殊疑问句式作宾语从句是难点, 注意要用陈述语序。其结构为:
    主句+特殊疑问词+it+be+that+其他
    I want to know who it was that you met yesterday.
    ⑷ It’s not until... that... 直到…才
    It was not until midnight that he came back.
    →Not until midnight did he come back.

    二、it作形式主语或宾语, 代替不定式、动名词、从句

    It 作形式主语
    1、It作形式主语代替 不定式:
    It+be+adj. /n. (for/of sb. ) to do sth.

    It is very important/necessary for us to learn English.
    It is very kind of you to help me.
    It is stupid of you to make such a mistake.

    2. It 作形式主语, 而 动名词 作真正的主语的情况
    It is no good (funny /use /worth) doing sth. 做, …
    It is no good learning English without speaking English.
    (1) It is no _____ arguing with Bill because he will never change his mind.
    A. use B. help C. time D. way
    易混淆的考点:
    (2) _____ is no need for us to discuss the problem again since it has already been settled.
    A. It has B. There has
    C. It is D. There is
    3、 It 作形式主语在复合句中的3种情况
    it 是形式主语, 真正的主语是 that 引导的主语从句。
    ①It + be + n + that …
    It’s a pity that…. 真可惜…… 可惜的是……
    It’s a fact that….. 事实是……
    It’s no wonder that……难怪……
    ②It + be +adj + that …
    It’s obvious/clear that….. 很明显……, 很清楚……
    It’s strange that……奇怪的是……
    ③It + be + p. p +that …
    It’s said/reported/believed that….. 据说 ∕据报道∕据认为
    易混淆的考点:
    (3) _____ is well known that Taiwan belongs to China.
    A. As B. It C. Which D. That
    (4) _____ is well known to all, Taiwan belongs to China.
    A. As B. It C. Which D. That

    it作形式宾语, 代替不定式或从句
    1、当宾语是动词不定式、动名词、宾语从句, 且其后有宾语补足语时, 为了保持句子的平衡, 通常用it作形式宾语, 而将真正的宾语置于句末。(think, make, find, consider, believe, feel…)
    I think it important to learn English well.
    He made it clear that he would go abroad next month.
    I feel it our duty to make our country a better place.


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