It-的用法总结
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1 It 的用法总结 一 代词 1 指代上文 2 指代 this that 3 指代 未知性别的婴儿或孩子或身份不明的人 4 指代时间 地点 天气 温度 距离 环境 What does it refer to 1 It gets dark very early in the winter 2 What will you call it if it s a boy 3 I love spring It s a wonderful time of the year 4 It s less than 100 kilometres from here to Jinan 5 When the factory closes it will mean 500 people losing their jobs 6 What s this It s a cat 7 It has snowed much this year 注意 it one 和 that those 作替代词的区别 1 The book in your bag is very interesting Can I borrow 2 The book in your bag is more interesting than on the desk 3 The weather here is much colder than in Nanjing 4 The books are free You can take free of charge 5 The books in the bag are better than on the desk it 表示特指 与前面指代的名词是同一个 one 表示泛指 指代单数可数名词 与指代的名词同类但不同一个 that 表示特指 相当于 the 名词单数 与指代的名词同类但不同一个 those 表示特指 相当于 the 复数可数名词 与指代的名词同类但不同一个 2 it 指时间的几个重要句式 句式 1 it is has been 段时间 since 自从 多久了 It is has been 3 years since I visited your company 句式 2 It was 段时间 before 过了多久 才 It was 3 hours before he realized the truth 句式 3 It will be 段时间 before 要过多久 才 It will be 3 months before they complete the bridge 句式 4 it was 点时间 when 某事发生于 某一时刻 It was 10 o clock when the big fire broke out 句式 5 It this is was the 序数词 time 现在完成时态 过去完成时 表示某人第几次做某事 It is the second time I have heard of this 句式 6 It is time about time high time that sb did should do 该是干 的时候了 It is time that we went to school 对比训练 1 It will be years we meet again 2 It is ten years I came to this town 3 It is ten years ago I came to this town 4 It is the third time I visit to this town 5 It was 2 am Tangshan earthquake took place A when B that C before D since 3 二 引导词 1 形式主语 2 形式宾语 3 强调句 It 作形式主语 基本结构 It be v for sb of sb to do sth 动词不定式 doing sth 动名词短语 that whether 从句 注意 1 For or Of 1 It is important us to learn English well 2 It is very kind you to help me learn English 3 It is foolish you to believe him 4 It is necessary you to go over this lesson 注意 2 It 何时代替 doing It be no use no good doing sth a waste of time 翻译 1 和他争论没有用 2 打电脑游戏是浪费时间 注意 3 that 后的从句要用虚拟语气 should 动词原形 should 可以省 1 It is a pity a shame an honor a good thing a fact a surprise that 2 It is important necessary strange natural that 3 It is insisted ordered commanded suggested advised proposed demanded requested required that 注意 4 He is said reported to have gone abroad It is said reported that he has gone abroad All the students are believed to have done their best It is believed that all the students have done their best 注意 5 It vi 不及物动词 that It happens that he was out 碰巧 It seems that he doesn t know the secret 好像 It appears that he is honest 好像 It occurred to me that I lost my purse on the bus 我突然想到 It doesn t matter whether he will come or not 没有关系 4 It 作形式宾语 基本结构 动词 it 形容词 名词 for of sb to do 动词不定式 think doing sth 动名词短语 believe that 从句 从句 find necessary feel possible consider natural suppose no use no good make a waste of time keep I think it important to make a summary in time I find it a good habit that we make a summary in time He felt it no use learning English without speaking it it 作形式宾语的特殊句型 V it if that when 动词有喜欢类 enjoy like appreciate prefer 讨厌类 hate dislike I would appreciate it if you paid in cash I like it in the autumn when the weather is clear and bright I hate it when people talk with their mouths full 5 It 引导强调句 1 基本结构 It is was 被强调部分 that who 人 例如 他是因为病了才没能帮我 It was because he was ill that he couldn t help me Was it because he was ill that he couldn t help me Why was it that he couldn t help me 2 not until 句式的强调句型 It is was not until that 直到 才 例如 He didn t get home until it was dark 三 用在固定结构中的 it take it easy 别紧张 take it for granted 认为 理所应当 believe it or not 信不信由你 make it 成功 完成某事 forget it 忘了吧 没关系 worth it 有好处 值得做 It That all depends 要看实际情况而定 when it comes to 当谈到 但提到 got it understand 理解 明白- 配套讲稿:
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