2018届二轮复习it用法课件（51张）

2018届二轮复习it用法课件（51张）

It 的用法 Part I 1.It 作代词 It ’s 10:08 It ’s a large sum of money It was very quiet in the café . It is half an hour’s walk to the city centre. It weighs only 3 kilos It’s lovely It is fine today. Who is it? It’s me. It 可指代 时间、距离、环境、金钱、天气、 ( 动 ) 物。 指人是指 不明性别或婴儿 。 ____ was a sunny day. Peter decided to go for a walk to the park, though _____ was two miles away. ___ was so comfortable to walk on the street. it It It Suddenly ___began to rain. He found __ hard to walk there. Then he took a bus home. Unfortunately ___ went wrong. When he got home, he was wet through. Thus ___ was a day that he would never forget. it it it it It 指代时间常用句型 【 注意 】 it 指代时间时，有如下一些句型： (1) 是某人做某事的时候了。 It is time for sth./ (for sb.)to do sth. / that － (2 ） 这是某人第 …… 次做了某事。 It is the first / second…time that － ( 现在完成时 ) It was the first/second…time that － ( 过去完成时 ) should do did 孩子们该上床睡觉了 It is time that children should go to bed. = It is time that children went to bed. =It is time for children to go to bed 这是我们全家第一次面对面地目睹月光 It was the first time that we had seen the moon face to face. 在大庭广众之中说话，她还是第一回呢。 It is the first time that she has ever spoken before such a big audience. ( 3) 要过多久才会做某事 It + will be + 段时 + before( 一般现在时 ) … 过了多久才 … 了 It + was + 段时 + before( 过去时 ) … ( 4) 自从 ...... 以来已多久了 It is / has been ＋ 段时＋ since （过去时 ) It was + 段时 ＋ since （过去完成时 ) ①过了 5 年他们才从北大毕业。 It was five years before they finally graduated from Beijing University. ② 不久，我们就要从我们学校毕业了。 It won't be long before we graduate from our school. 3. 我离开这所学校已经很久了 . It is long since I left this school. 4. 他爸爸去世有三年了 It is ( has been ) 5 years since his father died. It 作替代词 it 的用法 一、 it 作指示代词 【 完成句子 】 用 one ， ones ， it ， that ， those 填空 (1) — I can't find my watch. 　 — You haven't found ______ ？ If you want to buy a new ______ ， I suggest you buy ______ made in China. (2) We've got a big cup and two small ______. (3) The weight of an elephant is much greater than ______ of a tiger. it one one that it 指代上文提过的事物 / 事件时，是 同名同物 ，相当于 the ＋名词 ； one 指代上文提过的单数可数名词是 同名异物 ，相当于 a ＋名词 ； a / an ＋形容词＋ one 等于 a / an ＋形容词＋名词；复数形式用 ones that 后面常有后置定语，有 特指 意义，代替不可数名词或单数可数名词，相当于 the ＋名词 ones (4) The books on the first shelf are easier than ______ on the second shelf. (5) The boy told his story and ______ of the girl upstairs. those/the ones that/the one 复数名词用 those ，相当于 the ones 。 Summary: 1.One 指代上文提过的单数可数名词是 同名异物 ，相当于 a ＋名词； a / an ＋形容词＋ one 等于 a / an ＋形容词＋名词；复数形式用 ones . 复数名词用 those ，相当于 the ones 。 2.It 指代上文提过的事物 / 事件时，是 同名同物 ，相当于 the ＋名词； 3.That 后面常有后置定语，有特指意义，代替 不可数名词 或 单数 可数名词，相当于 the ＋名词 The Parkers bought a new house but ___ will need a lot of work before they can move in. 2. We’ve been looking at houses but haven’t found ___ we like yet. 3. I’m moving to the countryside because the air there is much fresher than ___ in the city. 易误辨析 : it / one / that it one that the house that the Parkers bought a house the air Part II It 作形式宾语 S+ think + it + necessary +( for sb. ) to do sth. The chairman thought ___ necessary to invite Professor Smith to speak at the meeting.(05 全国 ) A. that B. it C. this D. him Sentence patterns: B consider find possible feel … Important /clause 形式宾语 2. S+ V + it + one’s duty + ( for sb. ) to do sth. /clause 3. S + V + it + no good + doing sth. no use 形式宾语 I think it his duty to clean the blackboard. Sentence patterns: a rule An honour I like ___ in the autumn when the weather is clear and bright. A. this B. that C. it D. one 点拨 : 这是 it 作形式宾语的一种特殊用法 . 少数动词 ( 如 like, love, enjoy, dislike, hate, appreciate 等 ) 后接宾语从句 , 必须先由 it 担任形式宾语 , 再接从句 . I like (enjoy, hate…) it when I would appreciate it if… Sentence patterns: C 形式宾语 find possible S+ think + it + necessary +( for sb. ) to do sth. /clause feel consider important Sentence patterns: 形式宾语 2. S+ find/think/feel/consider + it + one’s duty + ( for sb. ) to do sth. /clause an honour 经常做某事 make it a rule to do no good 3. S + find/think/feel/consider + it + + no use doing sth. 4.I like /love/enjoy/ dislike/hate…/ it when 5.I would appreciate it if… It 作形式宾语句型应用 1. 我们认为学习一门外语很重要 We think it important to learn a foreign language. 2. 飞机使我们旅游又容易又舒适 Airplanes have made it easy and comfortable for us to travel. 3. 我们认为学习理论而不实践是没用的 We found it useless learning a theory without practice . 4. 如果你能考虑我的投诉我将不胜感激 I would appreciate it if you could take my complaint into account. 5. 我每天放学回家的路上都去看我的奶奶 . I make it a rule to go to see my grandma on my way home from school every day. 6. 站在这儿给你们作有关环境保护的演讲，我感到很荣幸 I feel it an honor to stand here to give a speech to you on environment protection 7. 我们认为保护环境是我们每个人的职责。 We think it our duty to protect the environment. 8. 他讨厌他和别人交谈时有人插嘴。 He hates it when he is talking to others , others interrupt. Part III It 作形式主语 It is necessary to be prepared for a job interview. Having the answers ready will be of great help. 2. The Foreign Minister said, “ It is our hope that the two sides will work towards peace.” 3. It is known to everybody that the moon travels round the earth once every month. 形式主语 高考真题 1. “清楚（显然，真的，可能，肯定）” It is clear / obvious/ true/ possible/ certain... that ..... 很明显，他又高又圆像一棵树。 It is very clear that he’s round and tall like a tree. 　　 = That he’s round and tall like a tree is very clear. 2. 做某事是重要的 / 有必要的 / 奇怪的 / 自然的 … It is important / necessary/ strange/ natural...) that ... 我们有必要记住这些单词　 It is necessary that he (should) remember these words. 3. 据报道 / 认为 / 相信 / 知 / 宣布 … It is said/ r eported/thought/supposed/believed/known/ announced) that ... 据说又一颗人造卫星（ satellite ）已经被送入到轨道（ orbit ）　 It is reported that another earth satellite has been put into orbit. 4. “据建议；有命令．．．） It is suggested ( ordered /demanded/insisted/commanded... ) that ... 有人建议会议被推迟 It is suggested that the meeting ( should ) be put off. 　 有命令我们必须在两个小时内到。 It was ordered that we ( should ) arrive there in two hours. 5. 很遗憾 … It is a pity ( a shame ... ) that ... 很遗憾这样的事情竟然发生在你们班。 It is a pity that such a thing should have happened in your class. 他生病了，真遗憾！ It is a pity that he is ill. 6. 碰巧 / 似乎 / 看起来像．． . It happens (seems ， appears) that... 他碰巧在街上遇见他的老师 It happened ( so happened ) that he met his teacher in the street. 看来他将在几天后回来 It seems that he will be back in a few days. 7. 做某事花费某人多长时间 It takes/took/will take sb some time to do sth. 成千上万的人花了很多年修建长城 It took thousands of people many years to build the Great Wall. 8. 做某事没用 It is no good (use ) doing sth. 学英语而不说英语是没用的。 It is no good learning English without speaking English. 9. It is adj (for/ of sb. ) to do sth. 谢谢你这么说 It is kind of you to say so. 对她来说参加聚会是非常重要的 It is important for her to come to the party. Part IV 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. it It is / was + 被强调的部分 +that / who+ 句子其他成分 强调句型 高考真题 It 用于强调句型 1. 肯定句： It is + 被强调部分 ( 主 / 宾 / 表 / 状 ) + that ... 　 一般疑问句 : Is/Was it ＋被强调部分＋ that… 特殊疑问句 : 疑问词＋ is/was it ＋ that… 1.The first clock with a face and an hour hand was made about 600 years ago .( 强调划线部分） It was about 600 years ago that the first clock with a face and an hour hand was made. 2. They cleaned the classroom yesterday. ( 强调划线部分） It was they that (who ) cleaned the classroom yesterday. 3.I met her father in the street . ( 强调划线部分） It was in the street that I met her father. 4. 究竟是为什么你妈妈这么生气？ Why was it that made your mother so angry? Correct mistakes: 1.  It is I who/ that is going to be sent there  to help them. It is  I  who/ that  am  going to be sent there to  help them. 2.It was her that told me about it.    It was  she  that  told  me about it. 3.It is I who the teacher has punished. It is  me  who the teacher has  punished .   2. ＂直到．．．才．．． ” It is not until + 被强调部分 + that ... I didn’t recognize that 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. 我们应该尊重我们的父母，是他们抚养我们长大 We should look up to our parents , because it is they that have brought us up. Part V 在一些固定用法中考查 forget it 别提了，忘了它吧 It(That) depends 视情况而定 由你来决定做某事 It’s up to you to do sth. can’t help it if … 如 果 … （我）也没办法。 正如某人所说的那样 ,… as someone puts it ,… 确保 / 务必 … see to/depend on it that… 当谈到 … when it comes to( 介词 )… catch it 理 解 成功； 定在某时间 make it 1.when—that 2.has 去掉 3.learn 前加 to 4. 第二个 will 去掉 5.is---has 6.settle---settled 或前加 should 7.you 后加 to 8.was 改为 is 或 joined 前加 had 9.appreciate 后加 it 10.for---of 11.hate 后加 it 12.to argue---arguing 13.feel 后加 it 14.started---start 16.where---that 17.a pity 18.It was not until he came back that his mother went bed.   1. 我认为帮助那些需要帮助的人是我的职责 I consider it our duty to help people who need help 2. 他总是早上 7 点钟起床。 He made it a rule to get up at 7 O’clock every morning. 3. 孩子想要什么就给什么是不明智的。 It is unwise to give the children whatever they want. 4. 作为学生， 熬夜没有好处 As a student, its no good staying up too late. 5. 步行到达山顶将需要一整天 It will take a whole day to get to the top of the mountain on foot. 6. 据宣布校运动会下周五举行。 It is announced that our school sports meet will be held next Friday. 7. 那是第一次我们全家人一起到电影院看电影 That was the first time we had seen a film in the cinema together as a family. 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