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The usage of it 1. It never rains but it pours ！ 2. It takes two to make a quarrel.3. All time is no time when it is past. 4. Its the thought that is the most important.5. It is no use crying over spilt milk. 不鸣则已，一鸣惊人一个巴掌拍不响机不可失，时不再来。 礼轻情意重。 覆水难收。 NO.1 杂七杂八的 ItNO.2 专“一”十足的 ItNo.3 “强劲”十足的 ItNo.4 与“时”共舞的 ItNo.5 为他人做嫁衣的 It Its 10:08 Its lovely It weighs only 3 kilograms Its a large sum of moneyNO.1 杂七杂八的 It NO.2 专 “一”十 足 的 It 专“一”十足的 It1) -What should I do with your bag ? -Oh, just leave on the table 2) Some students in our class are trying their best to learn English well. Have you heard about ? A. it B. which C. one D. this it 1. The Parkers bought a new house but _ will need a lot of work before they can move in. A. they B. it C. one D. which2. Weve been looking at houses but havent found _ we like yet. A. one B. ones C. it D. them3. Im moving to the countryside because the air there is much fresher than _ in the city. A. ones B. one C. that D. those易 误 辨 析 : it / one / thatthe house that the Parkers boughta housethe air No.3“强 劲 ” 十 足 的 It 1、It be+被强调部分 +that/whoI met Tom at the street. His progress makes me delighted.It is his progress that makes me delighted. 2、It be + not until + 被强调部分 + that 1)I didnt realize she was a famous film star until she took off her dark glasses. It was not until she took off her dark glasses that I realized she was a famous film star.Not until she took off her dark glasses did I realize she was a famous film star. It is the ability to do the job_ matters not where you come from or what you are. A. one B. that C. what D. itIt is / was + 被强调的部分 +that / who+句子其他成分 Thank you ! No.4与 “时 ”共 舞 的 It 1、It be + 时间段 + before It will be over a month before we end our classes .It was not long before the police caught the thief. 2、It be + 时间段 + since +- It is two years since I have been in the army. 3、 It + was +时间点+ when + S +一般过去时 It was ten oclock when we began our lesson. No.5总 为 他 人 做 嫁 衣 的 “ It ” 充 当 ”形 式 主 语 ”的 It 1、It + be + adj. of / for sb to do sth 如果句型中的形容词是用来描述sb的特征 如kind / rude / cruel / polite / right / wrong / foolish / silly / stupid / wise 等，则用of， = sb + be + adj. + to do sth；* 若句型中形容词是用来描述 to do的 如 important / necessary / hard / difficult / easy / natural / common 等，则用for。 1, Its very kind _ you to say so = You are very kind to say so.2, Its important _ one to learn a foreign language.offor 2. It is clear ( obvious, possible, true, certain.) that . It is very clear that hes round and tall like a tree. = That hes round and tall like a tree is very clear. 3. ( It is ) no wonder (that )- ( It is ) a wonder ( that )-: 4.It is said (well-known / reported / learned / thought/ believed.) that . 据说（据报道, 据悉, 据认为，据相信 .It is hoped that you _ there on time. It is advised that you _ there on time. A. arrive B. should arrive C. will arrive D. both A and B 析：C，D。句是it作形式主语，that从句作真正的主语。主从句时态一致是解题的关 5. 1) It takes sb 多少时间 to do sth. 2) It takes sb - to do sth. It takes _patience to look after patients. 6. Its up to sb to do sth由某人决定做某事。口语中常用Its (all) up to you 或 up to you 表示“由你决定”。 Its up to you _(decide) when we will start. 7、Its useless/no use/good doing 做是无用的/不好的。 It is no use_( cry) over spilt milk. 覆水难收 过去的事哭也是白费力气。 It is no use _( cry) about the past.期待别人的帮助是不行的。 It is no good_ (hope) for others help. 8、It happens/occurs/appears/ seems that 此句型意为：碰巧好象似乎 1, It (so) happened that I was watching TV when he came to see me.2, It appeared that the little girl would probably never walk.3, It seems that he is always true. 小结：it 做形式主语 It可以在句中充当形式主语，真正主语可以由_引导的主语从句充当，还可以由_以及_短语充当。that不定式动名词 possible It is/was +adj. necessary + important ones dutyIt +is /was + n. ones hope + an honour saidIt is / was + p.p. known believed that从句( for sb. ) to do sth. + that-clause( for/of sb. ) to do sth that从句It +be+ no good/no use + doing It seems/happens/matters/ +从句 充 当 ”形 式 宾 语 ”的 It sb think / find / consider/ make + it + adj./n.+ to do / doing / that 为了记忆方便我们可称该句型为“6123结构”。 6 指主句中常用的动词；think, believe, make, find, consider, feel 1 指的是形式宾语 it； 2 指的是宾补的两种形式：形容词或名词； 3 指的是真正宾语的三种形式：不定式短语， 动名词短语或 that引导的宾语从句。 1)We think it our duty to clean our classroom every day. 2) He felt it important to learn English well.3) They found it difficult that they would finish their work in two days. 在一些固定用法中考查常见的固定用法有: make it 成功，安排在或定在某时间forget it 别提了，忘了它吧Dont mention it 别提了，表示不用谢It doesnt matter 没关系It(That) depends 视情况而定You guessed it 你猜着了Its hard to say 很难说 Its up to you to do sth.由你来决定做某事 it代词人称代词指示代词非人称代词引导词it 用在强调句中 it 用作形式主语it 用作形式宾语小结： Thank you for your listening !
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