It用法练习题及答案

1 ItIt 的用法的用法 It 的用法在高考中也是重现率较高的语言点 尤其是 it 用于强调句 其考查方式多通过 单 项填空 进行 偶尔也出现在 短文改错 和 完形填空 中 一 要点点拔一 要点点拔 1 代替上文中提到过的人或事物 指代人时 一般用于小孩或身份不十分明朗的人 代替上文中提到过的人或事物 指代人时 一般用于小孩或身份不十分明朗的人 1 Who is the baby It s my teacher s son 2 Who is that gentleman It s my friend Tom He 不可用 It wants to see you 2 用于表达天气 环境 时间 距离 季节等 用于表达天气 环境 时间 距离 季节等 例如 1 It s half an hour s walk from here to our school 2 It s nice and warm here 3 But it s two o clock now and it s time for us to go to school 3 用作形式主语 用作形式主语 it 没有具体意义 而只是帮助把真正的主语移至句子后尾 使句子显得平稳没有具体意义 而只是帮助把真正的主语移至句子后尾 使句子显得平稳 一些 能借一些 能借 it 给移至句子后尾的主语有三种 一种由不定式表示 一种由动名词表示 一种由给移至句子后尾的主语有三种 一种由不定式表示 一种由动名词表示 一种由 从句表示 从句表示 1 It 替代真正的主语替代真正的主语 动词不定式短语动词不定式短语 It is easier to say than to do It is a good act to help the others 2 it 替代真正的主语替代真正的主语 动名词短语动名词短语 以动名词短语做主语的句子 主要在以以动名词短语做主语的句子 主要在以 no good no use no harm dangerous foolish 等词作表语的句中等词作表语的句中 It s no harm drinking running water in that area It s foolish talking like that 3 it 替代从句作主语 用从句做主语的带替代从句作主语 用从句做主语的带 it 的句子很多的句子很多 常见的有下面几类 常见的有下面几类 It is a pity a shame a fact a wonder a good thing etc that It is a shame that he didn t pass the exam It is strange surprising obvious true good possible clear etc that It was clear that they had no desire for peace It seems happened turned out etc that It seemed that things were not as they expected It is said decided expected etc that It is said that the tickets have been sold out 4 用作形式宾语 用作形式宾语 当复合宾语中的宾语是不定式 ing 短语或从句往往用 it 作形式宾语 而将真正的宾语移至 句末 句子重心后移 1 We find it difficult to learn English well in such a short time 2 We think it no use crying over spilt milk 3 We made it clear when and where we were going to have the meeting 5 用于强调句型 即 用于强调句型 即 It is was 被强调部分 被强调部分 that who whom 其它其它 句型之中 句型之中 使用该句型有以下几点请注意 使用该句型有以下几点请注意 2 强调句的谓语强调句的谓语 is 或或 was 永远用单数永远用单数 It was yesterday that I met your father in the street 不管被强调部分是哪种状语 只能用不管被强调部分是哪种状语 只能用 that 连接 不得使用连接 不得使用 where when 等连词等连词 It was in the street that I met your father yesterday 被强调部分为人时 可用被强调部分为人时 可用 who 主格或宾格主格或宾格 和和 whom 宾格宾格 代替代替 that 用 用 that 也行 也行 1 It was your father that whom who I met in the street yesterday 2 It was I that who met your father in the street yesterday 强调句中强调句中 也要注意主谓一致 人称一致和否定转移的问题 也要注意主谓一致 人称一致和否定转移的问题 1 It is they who are our friends 2 It was not until ten o clock that we got home last night 注意不要混淆强调句和其他从句 注意不要混淆强调句和其他从句 It is was that 为强调句标志 去掉后仍可组成一个完整为强调句标志 去掉后仍可组成一个完整 的句子 只是没被强调的句子 只是没被强调 而其他从句一般不具备这一特征 而其他从句一般不具备这一特征 比较 1 It was ten o clock when we got home last night 我们昨晚到家时已十点了 2 It was at ten o clock that we got home last night 我们昨晚是在十点到家的 第一句不是强调句 when 不可改为 that 因为去掉 it was 和 that 后 只能组成 We got home ten o clock last night 这样一个不完整的句子 第二句是强调句 that 不可改为 when 二 常用句型及考点二 常用句型及考点 I 形式主语型 1 It is clear obvious true possible certain that 2 It is important necessary right strange natural that 掌握本句型 应该记住所列举的形容词 并且记住 that 后的从句应用虚拟语气 should 动 词原形 should 可以省去 3 It is no good use doing sth 4 It is a pity a shame that 本句型中 that 后的从句一般用虚拟语气 should 十动词原形 should 可以省去 表示出 乎意料 常译为 竟然 没有这种意义时 则不用虚拟语气 5 It is time about time high time that 本句型中 that 后的从句应该用虚拟语气 6 It is the first second time that 7 It is said reported learned that 8 It is suggested ordered that 本句型中的过去分词应该是表示请求 建议 命令等的词 that 后的从句要用虚拟语气 should 十动词原形 should 可以省略 常译为 据建议 有命令 9 It happens seems appears that 10 It takes sb to do sth 11 It doesn t matter whether 12 It is kind of sb to do sth 本句型中的不定式如果需要逻辑主语 则须要前置介词 of 而句型中的形容词必须是能表 示逻辑主语特征的形容词 常见的有 3 bad brave careless clever cruel foolish honest horrible kind lazy modest naughty polite rude silly stupid wise wrong 等 13 It is necessary for sb to do sth 14 It is just like sb to do sth 本句型为 某人 恰恰 是 样子 用来表示赞扬或不满 若用否定式 则表示怀疑 例 It s like him to leave the work to others 他就是这样的一个人 把工作推给别人 15 It is up to sb to do sth 本句型表示 谊由某人做 II 强调句型 It is 被强调部分 that who 本句型中被强调部分可以是主语 宾语或状语 强调的主语如果是人 that 可以由 who 换 用 III 其他句型 1 It is since 本句型主句中用时间作表语 一般用现在时或完成时 since 引导的从句常用瞬间动词的一 般过去时态 主句如用一般过去时 则从句用过去完成时 2 It is when 本句型中的 when 引导的是一个时间状语从句 主句中的 it 指时间 表语由具体的时间充当 3 It looks seems as if 本句型中的 as if 引导一个状语从句 常译为 看起来好像 如果与事实不相符合 则 用虚拟语气 例 1 It looks as if he is ill 真的病了 例 2 It looks as if he were ill 没有生病 Exercises 一 单项选择 1 It was at the gate he told me the news A that B what C which D when 2 Is necessary to tell his father everything A it B that C what D he 3 Was it in this palace the last emperor died A that B in which C in where D which 4 Is possible to fly to the moon in a spaceship A now B man C that D it 5 Was it during the Second World War he died A that B while C in which D then 6 Is necessary to complete the design before National Day A this B that C it D he 4 7 I don t think possible to master a foreign language without much memory work A this B that C its D it 8 Does matter if he can t finish the job on time A this B that C he D it 9 It was not she took off her dark glasses I realized she was a famous film star A when that B until that C until when D when then 10 Tom s mother kept telling him that he should work harder but didn t help A he B which C she D it 11 is a fact that English is being accepted as an international language A There B This C That D It 12 Is possible to fly to the moon in a spaceship A now B man C that D it 13 Our food and service are better than used to be A it B we C they D them 14 appears to me the report must be truth A That it B It that C It it D That that 15 He feels duty to help others A that he B that his C it he D it his 16 Take easy The roads are icy A it B them C us D you 17 The TV sets made in China are much better than in Japan A that B those C them D It 18 Have you found the bike you lost yesterday Yes I ve found already A it B that C the one D that one 19 I m looking for a flat Would you like with garden A it the B it a C one a D one the 20 was who I met in the museum this morning A It him B It he C That he D That him 21 It was in the rice fields we had our League meeting A where B that C in which D on which 22 you come to the party so late A Why is it B Why it is C Why it is that D Why is it that 23 Were all three people in the car injured in the accident No only the two passengers got hurt A they were that B there was that C it was who D there are who 24 I don t think possible to master a foreign language without much memory work A this B that C its D it 5 25 It was not she took off her glasses I realized she was a famous film star A when that B until that C until when D when then 26 It was not until 1920 regular radio broadcasts began A while B which C that D since 27 is a fact that English is being accepted as an international language A There B This C That D It 28 It was about 600 years ago the first clock with a face and an hour hand was made A that B until C before D when 29 It was only when I reread his poems recently I began to appreciate their beauty A until B that C then D So 30 I hate when people talk with their mouths full A it B that C these D them 31 Why don t we take a little break Didn t we just have A it B that C one D this 32 Was it during the Second World War he died MET88 A that B While C in which D Then 33 Is possible to fly to the moon in a spaceship MET88 A now B that C it D Man 34 I don t think possible to master a foreign language without much momory work MET90 A This B that C its D It 35 is a fact that English is being accepted as an international language NMET95 A There B This C That D It 36 It was about 600 years ago the first clock with face and an hour hand was made NMET97 A that B until C before D when 37 computers play such an important part in our daily life A Why it is that B Why is it that C Why was it that D Why is it 38 Was it during the Second World War he died A that B while C in which D then 39 Is necessary to take off our shoes when we enter the lab A everyone B this C her D it 40 Is possible to fly to the moon in a spaceship A now B that C it D man 41 I don t think possible to master a foreign language without much memory work A this B that C its D it 42 She heard of a terrible noise brought her heart into her mouth A it B which C this D that 43 Alice received an invitation from her boss came as a surprise A it B that C which D he 44 Does matter if he can t finish the job on time A this B that C he D it 6 45 Tom s mother kept telling him that he should work harder but didn t help A he B which C she D it 46 The weather turned out to be very good was more than we could expect A what B which C that D it 47 is a fact that English is being accepted as an international language A There B This C That D It 48 I hope there are enough glasses for each guest to have A it B those C them D one 49 It was about 600 years ago the first clock with a face and an hour hand was made A that B until C before D when 50 I hate when people talk with their mouths full A it B that C these D them 51 It was only when I reread his poems recently I began to appreciate their beauty A until B that C then D so 52 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 53 It you that to blame A is is B is are C are are D are is 54 Was that I saw last night at the concert A it you B not you C you D that you 55 electricity plays such an important part in our life A Why is it that B Why is it C Why it is that D Why is that 56 It was he said disappointed me A what what B that that C what that D that what 57 It was in the lab was taken charge of by Professor Harris they did the experiment A which that B that what C whom that D which where 58 Many people now make a rule to buy cards for their friends before Christmas A themselves B it C that D this 59 Someone is at the door who is A this B that C it D he 60 It is raining cats and dogs A So it is B So is it C Neither it is D Neither is it 二 分析 it 成分 辨清相似句型 1 is well know to us all that the earth is round is well known to us