复习必修一unit1重点句型.ppt

Ⅱ.单项填空 1．It 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 栏目导引 要点透析讲练互动 Unit 1　Friendship 句型精析 (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。 ①While (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。 ②Look out when (you are) crossing the street! 过马路时要小心！ ③You can use my computer_________________. 如果需要的话，你可以用我的电脑。 ④He 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 it’s because I haven’t been able to be outdoors for so long that I’ve 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] It’s...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。 ①It 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) ②_______________met Tom in the street yesterday. 昨天在街上碰见汤姆的人是我。(强调主语) ③It 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。 ④My mother didn’t 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 wasn’t until I came back that 3. (教材P2)．..it was the first time in a year and a half that I’d 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/is＋the＋序数词＋time＋that从句”表示“这是某人第……次做某事”。 ①It 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。 ②_______________________he had visited the Water Cube. 那是他第一次参观水立方。 ③It 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 fir