Unit 6 it 的用法-2025-2026学年高中英语选修二语法易错点精讲（北师大版）

高中北师大版 【寒假专版】 选修2Unit6it的用法 寒假专版 t的用法专项训练 寒假语法易错点精讲 学段：高中教材：北师大版 年级：选修2 语法认知 高中北师大版选修2Ut6:t的用法=指代前文提到的事物或后文将要提到的内容，在句中可作 主语、宾语、表语。 易错点讲解 易错点一：形式主语t与真实主语位置混淆 讲解： 当不定式、动名词或从句作主语时，常用t作形式主语，将真实主语后置，避免句子头重脚轻。不 可直接将真实主语置于句首（除口语或强调外）。 例句：It is important to study hard.（正确)一→To study hard is important..(语法正确但不常用) 真题再现 (2024北京海淀期中，北师大版)一is necessary for usEnglish every day. A.It;to learn B.That;learning C.This;learn D.There;learned 答案：A 解析：it作形式主语，真正主语是不定式短语to learn English every day,符合“itis+adj.+for sb. to do sth.”结构。 (2024陕西西安月考，北师大版)no use arguing with him about the problem. A.There is B.It is C.This is D.That is 答案：B 解析：it作形式主语，指代动名词短语arguing with him,“it is no use doing sth.”为固定句型，意 为“做某事无用”。 易错点二：it指代时间、距离等与指示代词this/that混用 高中北师大版 【寒假专版】 选修2Unit6it的用法 讲解： it可指代时间、距离、天气、环境等抽象概念，此时不可用this/that替换。 例句：Itis8o'clock now.(正确)→This is8o'clock now.(错误) 真题再现 (2023天津和平区期末，北师大版)一What time is now?一_is3:30p.m, A.that;This B.it;It C.this;That D.it;That 答案：B 解析：询问时间时用t指代，回答也用t,为固定用法。 (2023重庆江北区期中，北师大版)一Hlow far is_from your home to school?一_is about2 kilometers. A.it;It B.this;That C.that;This D.there;It 答案：A 解析：it指代距离，“itis+距离+from.to.”为固定句型。 易错点三：强调句it与定语从句that/which混淆 讲解： 强调句结构为“It is/was+被强调部分+that/who+其他”，去掉it is/was和that/who后句子仍完整： 定语从句中that/which指代先行词，作句子成分，去掉后句子不完整。 例句：It was yesterday that I met her.(强调句，去掉后为“I met her yesterday”,完整)→This is the day that I met her.(定语从句，that指代the day,作宾语) 真题再现 (2024山东青岛期中，北师大版)It was in the park I lost my wallet last Sunday. A.where B.that C.which D.when 答案：B 解析：强调句结构，被强调部分为地点状语in the park,用that连接（强调地点时不可用where)。 (2023 四川成都期末，北师大版)一Where did you meet him?一It was in the libraryhe often reads books. A.that B.where C.which D.who 答案：B 解析：此处为定语从句，先行词the library在从句中作地点状语，用where引导（若去掉it was和 空格处，句子为“he often reads books in the library”,不完整，故非强调句)。 易错点四：t作形式宾语与真实宾语位置颠倒 2 高中北师大版 【寒假专版】 选修2Unit6it的用法 讲解： 当不定式、动名词或从句作宾语，后接宾语补足语时，需用t作形式宾语，将真实宾语后置，结 构为“主语+谓语+t+宾补+真实宾语”。 例句：I find it easy to solve the problem.（正确)→I find to solve the problem easy.(错误) 真题再现 (2024湖北武汉月考，北师大版)He thinks_important English well. A.that;to learn B.it;learning C.it;to learn D.this,learn 答案：C 解析：it作形式宾语，真正宾语是不定式短语to learn English well,形容词important作宾语补足 语。 (2023广东深圳期中，北师大版)We consider-necessary-him to attend the meeting. A.that;for B.it;of C.it;for D.this;to 答案：C 解析：“consider it+adj.+for sb.to do sth.”结构中，it为形式宾语，for him to attend the meeting为 真实宾语。 易错点五：it用于固定句型与there be句型混用 讲解： it用于“it takes sb.some time to do sth.”(花费时间)、“itis+时间段+since..”(自从…以来多 久)等固定句型：there be表示“存在有”，不可混淆。 例句：It took me an hour to finish homework.(正确)→There took me an hour to finish homework. (错误) 真题再现 (2024浙江杭州期末，北师大版)took me two days to prepare for the exam. A.This B.That C.It D.There 答案：C 解析：“it takes sb.some time to do sth.”为固定句型，it作形式主语，指代不定式短语to prepare for the exam。 (2023江苏南京期中，北师大版)一Iow long has it been_you movedhere?一is about three years. A.since;It B.when:That C.before;This D.after:There 答案：A 解析：第一空“itis+时间段+since.”为固定句型，since引导时间状语从句：第二空it指代时 间，回答时间段。 高中北师大版 【寒假专版】 选修2Unit6it的用法 易错点综合演练 综合演练 1.单项选择（直击易错点) l.is important for studentsgood learning habits.(易错点一) A.It;to develop B.That;developing C.This;develop D.There;developed 2.-What's the weather like today?一_is sunny and warm.（易错点二) A.This B.That C.It D.There 3.It was in the classroom_we had the discussion yesterday.(易错点三) A.which B.where C.that D.when 4.He found_difficult_the math problem in ten minutes.(易错点四) A.it;solving B.that;to solve C.it;to solve D.this,solving Ⅱ.用所给词的适当形式填空（强化易错点区分） l._(take)him half an hour to finish his homework every day.(易错点五) 2.is no good_(argue)with stubborn people.（易错点一） 3.一Iow long is from here to the nearest supermarket?(易错点二)一About 15 minutes'walk Ⅱ.短文填空（综合运用五大易错点） 用适当的代词填空，使短文完整通顺。（北师大版教材课文改编） Hello,everyone!I want to share something about my daily life.1._usually takes me 20 minutes to walk to school.Many people ask,"2.is the distance from your home to school?"Actually,3.is about 1.5 kilometers.My mother always says 4.is important for me to keep healthy,so she makes me exercise every day.Last week,I joined a running club.It was 5.-that I met my old friend Tom.We talked a lot and found 6.interesting to share stories with each other. V连词成句（聚焦易错句式） 1.is,to,leam,it,useful,.English,()(易错点一) 2.from,it,how far,is,your home,to the park,(?)(易错点二) 3.was,I,yesterday,.that,met,in the street,her,()(易错点三) 4.necessary,for,it,is,us,to,protect,,the environment,,()(易错点四) 参考答案 4 高中北师大版 【寒假专版】 选修2Unit6it的用法 I单项选择 1.A2.C3.C4.C Ⅱ.用所给词的适当形式填空 1.It takes 2.It arguing 3.it II.短文填空 1.It 2.What 3.it 4.it 5.there 6.it V.连词成句 1.It is useful to learn English 2.How far is it from your home to the park? 3.It was yesterday that I met her in the street. 4.It is necessary for us to protect the environment 5