(教材P1)While walking the dog，you were careless and it got loose and was hit by a car. 在遛狗的时候，你不小心松了手，结果狗被一辆汽车撞了。 句法分析 while walking the dog相当于while you were walking the dog。,归纳拓展 当when，while，unless，as if等引导状语从句，若从句主语与主句主语一致或从句主语是it，且从句谓语中含有be动词时，可以省略从句中的主语和be动词，构成省略句句型。,While (he was) walking in the park，he met an old friend by chance. 当在公园散步时，他偶然遇到了一位老朋友。 Look out when (you are) crossing the street! 过马路时要小心！ You can use my computer_. 如果需要的话，你可以用我的电脑。 He will not come unless (he is) invited. 除非被邀请他才来。,if (it is) necessary,2. (教材P2)I wonder if its because I havent been able to be outdoors for so long that Ive grown so crazy about everything to do with nature. 我不知道这是不是因为我长久无法出门的缘故，我变得对一切与大自然有关的事物都无比狂热。,句法分析 Its.that.为强调句型，被强调部分为原因状语从句。 归纳拓展 (1)强调句的句式结构为：It is被强调部分that句子剩余部分。 (2)被强调部分为人时，可用who来代替that。,It was in the street that I met Tom yesterday. 我昨天是在街上遇见汤姆的。(强调地点状语) _met Tom in the street yesterday. 昨天在街上碰见汤姆的人是我。(强调主语) It was yesterday that I met Tom in the street. 我是昨天在街上遇见汤姆的。(强调时间状语),It was I that/who,注意not.until.句型的强调句型为“It is (was) not until.that其他部分”，需注意否定转移，that后的谓语动词要用肯定式。 My mother didnt go to bed until I came back. _my mother went to bed.直到我回来母亲才上床睡觉。,It wasnt until I came back that,3. (教材P2).it was the first time in a year and a half that Id seen the night face to face. 这是我一年半以来第一次目睹夜晚 句法分析 本句中“It was/isthe序数词timethat从句”表示“这是某人第次做某事”。,It is the first time that I have visited the beautiful city.这是我第一次访问这座美丽的城市。 _he had visited the Water Cube. 那是他第一次参观水立方。 It was the first time that the man had been late for work. 那是这名男子第一次上班迟到。 注意如果前面用is，则that从句现用在完成时，如果用was，that从句用过去完成时。,It was the first time that,跟踪训练 1While we were climbing the mountain，we enjoyed the warm sunshine and a beautiful view.改写句子 _ _ the mountain，we enjoyed the warm sunshine and a beautiful view. 2When he was asked about his part，he was silent for a long time.改写句子 _ _ about his part，he was silent for a long time. 3Yesterday Tom lost his watch on the playground.改写句子 _ _ on the playground _ Tom lost his watch yesterday.,While climbing,When asked,It was,that,.单项填空 1It was the second time we _ (succeed) in holding such important parties.,解析：考查动词时态。It is/was the first/second.time that.句型中，从句中动词时态用完成时，参照动词was，可知此处用过去完成时had succeeded,had succeeded,解析：that 句意：正是通过巨大的努力她才赶上了其他学生。本句是“It is/was.that.”强调句型，强调方式状语great efforts by making 。,2填空It was by making great efforts _ she caught up with other students.,3(2012高考湖南卷)填空It was not until I came here _ I realized this place was famous for not only its beauty but also its weather. 解析：that。考查强调句型。分析句子结构可知，此句是一个强调句，其结构为“it is/was.that.”，被强调的部分是“not until I came here”。如果将该强调句还原成正常语序应该是：I didnt realize this place was famous for not only its beauty but also its weather until I came here.。,4(2012高考重庆卷)填空It was 80 years before Christopher Columbus crossed the Atlantic_Zheng He had sailed to East Africa. 解析：that 分析题干可知此句为强调句，是对句子的状语“80 years before Christopher Columbus crossed the Atlantic”进行强调的。,1.(教材P6)I am having some trouble with my classmates at the moment.现在我与同学们之间出现了一些问题。 归纳拓展 have trouble/difficulty with sth. 做某事有困难 have trouble/difficulty (in) doing sth. 做某事有麻烦/困难,I dont want to have any trouble with my family. 我不想和我的家人之间有任何麻烦。 If you have some trouble in getting along with your friends，you can write to them. 如果你在与朋友的相处上有问题，你可以给他们写信。 You cant imagine what trouble I had_.你想象不到我解决这个问题有多难。,settling the problem,2. (教材P7)Although I try to talk to my classmates，I still find it hard to make good friends with them. 虽然我尽力去跟班上的同学交谈，但是我还是发现很难跟他们成为好朋友。 句法分析 “find/make/feel it形容词to do sth.”为常用句型，it是形式宾语，hard是形容词作补语，有时用名词作宾补，不定式短语to do sth.是真正的宾语。,He found it useful to his health to do morning exercise every day.他发现每天做早操对健康十分有益。 I find it my duty to help you when you are in trouble. 我认为当你有麻烦时，帮助你是我的责任。 (2011高考天津卷)We _to make our country a better place.我们觉得让我们的国家成为一个更加美好的地方是我们的责任。,feel it our duty,3. (教材P7)I do want to change this situation，but I dont know how. 我的确想改变这种现状，但我不知道该怎么办。 归纳拓展 “助动词do动词原形”来强调谓语动词。其形式如下： do动词原形(一般现在时除第三人称单数外的各人称) does动词原形(一般现在时的第三人称单数) did动词原形(一般过去时的各人称),I do hope you have a merry Christmas! 我衷心祝福你圣诞快乐！ I _my homework yesterday. 我昨天的确完成作业了。 She does go shopping every Sunday. 她的确每个星期天都去购物。,did finish,跟踪训练 .完成句子 1随着社会的发展，我认为学好英语很重要。 With the development of the society，I _. 2我希望你做这项工作不会出什么问题。 I hope you wont _the work. 3你根本就想不到我在家务活方面的麻烦。 You cant imagine the _ my housework.,think it important to learn English well,have any trouble doing,trouble I have with,.单项填空 1(2013黄山高一检测)With a local guide_（lead）the way，they had no difficulty_（walk）out of the forest. 解析：leading；wakling a local guide与lead之间为主动关系，故用现在分词；have no difficulty (in)后接动词-ing形式。,2填空My neighbor was having some trouble _her hear