Unit 8 Let's Communicate! 重点语法专练-2025-2026学年八年级英语上学期满分冲刺专练(人教版2024)

2025-08-23
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2025-2026学年八年级英语上学期满分冲刺专练(人教版2024) Unit 8 Let's Communicate! 重点语法专练 语法探究 if引导的条件状语从句 1.定义 在复合句中作条件状语的句子叫作条件状语从句,用于表示假设的情况及其可能产生的结果。条件状语从句常用 if 来引导。 2. 基本结构:“if+从句,主句”或“主句+ if+从句”。如: If you stay calm and say sorry, it will help. = It will help if you stay calm and say sorry. 如果你保持冷静并道歉,这将会有帮助。 注意:if引导的条件状语从句可放在主句前也可放在主句后,放在句首时通常加逗号与主句隔开。 3. if引导的条件状语从句的时态规则 (1)零条件句:用于描述普遍真理、科学事实、自然规律或习惯性结果。 课文再现 归纳总结 ☆ If you want to solve the problem, a face-to-face talk usually works the best. 主语用一般现在时,if引导的条件状语从句也要用一般现在时。 (2)第一条件句:用于描述未来可能发生的情况。 课文再现 归纳总结 ☆If the rehearsal ends at 7:00 p. m. , I' ll pick you up at 7:15 p. m. ☆If you stay calm and say sorry, it will help. 主将从现 主句用了一般将来时,if引导的条件状语从句要用一般现在时。 ☆If she follows you everywhere, she may want to play games with you. ☆Texting can make things worse if you' re not careful with your words. 主情从现 主句中含有情态动词,if引导的条件状语从句要用一般现在时。 ☆If it is still hard to talk, take a break. ☆If you can't reach her by phone, try texting. 主祈从现 主句是祈使句,if引导的条件状语从句要用一般现在时。 注意: (1)在 if 引导的条件状语从句中,主句不用 be going to表示将来,一般常用 shall或 will。 If he is at home this Sunday, I'm going to give the book to him.(×) If he is at home this Sunday, I' ll give the book to him.(✔) (2) unless( = if... not...)“除非”, as long as“只要”也可以引导条件状语从句。如: ①You will fail unless you study hard. = You will fail if you don't study hard. 除非你努力学习,否则你将会失败。 ②You can borrow my book as long as you return it on time. 只要你按时归还,就可以借我的书。 语法专练 一、单项选择 1.Fu Xing will go to the science museum with us ________ she is free tomorrow. A.before B.after C.if D.although 2.________ we work together, we can overcome difficulties. A.If B.Until C.Though D.While 3.If the technology is used properly, the world ________ better and better. A.becomes B.become C.is becoming D.will become 4.If it ________ tommorow, I ________ football with my friends . A.rains; won’t play B.rains; don’t play C.will rain; won’t play D.rain; will play 5.We ________ fishing if it ________ rain tomorrow. A.are; doesn’t B.will go; will C.will go; doesn’t D.go; won’t 6.Technology can be of great help ________ we make an effort to control it and use it right. A.if B.before C.though D.until 7.Let’s play football if it ____ rain tomorrow. A.won’t B.doesn’t C.isn’t D.don’t 8.________ she invites me, I ________ to her birthday party. A.Because; went B.When; went C.So; will go D.If; will go 9.—What will we do ________ it rains tomorrow? —We can stay at home and watch TV. A.because B.so C.if D.but 10.We’ll go for a picnic with our classmates in Nanxi Wetland Park if it ________ tomorrow. A.doesn’t rain B.rained C.won’t rain D.rains 11.—It’s so sad that we can’t go to the same university. —Don’t worry. ________ we can keep in touch with each other, our friendship will be stronger and stronger. A.If B.Although C.But D.Because 12.I think my aunt ________ to our house if it ________ tomorrow. A.will come, won’t rain B.will come, doesn’t rain C.comes, won’t rain D.comes, rains 13.My best friend Lucy is good at writing. I’m sure she will get a good place ________ she takes part in the writing competition. A.if B.while C.because D.before 14.If her son ________a doctor, she ________ very happy. A.will be; becomes B.becomes; will be C.will be; is D.will be; will be 15.Please come to Lao She Teahouse in Beijing ________ you like Beijing Opera. A.because B.that C.until D.if 16.If he ________ us, we will finish the work more quickly. A.helps B.will help C.is helping D.helped 17.You _________ much healthier if you _________ enough exercise in his free time. A.are; are B.will be; do C.are; will do 18.—I don’t know if it will be sunny tomorrow. —If it ________ tomorrow, I will stay at home. A.will rain B.rains C.to rain D.raining 19.—What are you watching through the window? —The rain. I’m going to the school library ________ it stops. A.before B.because C.until D.if 20.If I ________ up early, I ________ the early bus. A.get; catch B.get; will catch C.will get; will catch 二、用正确形式拼写单词 21.You (learn) a lot if you travel around the world. 22.If you (finish) your homework, you can go home. 23.—Tom wants to know if you will have a picnic tomorrow. —Yes. But if it (rain), we’ll play chess at home instead. 24.If he (call), tell him I (call) him back. 25.We (go) to the beach if it (not rain) this afternoon. 26. (call) me if you (have) any problems. 27.They (not come) to my party if their parents (not let) them go out. 28.If it this Sunday, we will go to the park. (not rain) 29.If he (come) here tomorrow, I (call) you. 30.If he has enough time tomorrow, he (meet) you in his office. 三、按要求完成句子 31.Go to bed early, or you’ll feel sleepy the next morning. (改为同义句) go to bed early, you’ll feel sleepy the next morning. 32.Without your help, I won’t work out the problem. (改为同义句) you help me, I won’t work out the problem. 33.We can’t finish the work if you don’t help us. (改为同义句) We can’t finish the work you us. 34.Nobody can live without air or water. (保持句意不变) there is air or water, nobody can live. 35.Hurry up (快点), or you may be late for class. (同义句转换) you hurry up, you may be late for class. 36.Be quick, or you’ll be late. (改为同义句) If you , you’ll be late. 37.The traffic lights are red. We must wait.  (用if合并为一句) the traffic lights are red, we must wait. 38.It won’t rain. I will go to the park. (合并为一句) If it rain, I go to the park. 39.I can finish the work on time. He’ll help me. (用if 合并为一句) he , I finish the work on time. 40.It will rain tomorrow. We won’t go for a picnic (合并为一句) If it tomorrow, we go for a picnic. 参考答案 一、 1.C 【详解】句意:如果傅兴明天有空,她将和我们一起去科学博物馆。 考查连词辨析。before在……之前;after在……之后;if如果;although虽然。后句是前句的肯定条件,用if引导条件状语从句。故选C。 2.A 【详解】句意:如果我们共同努力,我们就能克服困难。 考查连词辨析。if如果;until直到;though尽管;while当……时,然而。根据“... we work together, we can overcome difficulties.”可知,前半句是后半句的肯定条件,表示如果一起努力,就能克服困难,所以用if引导条件状语从句。故选A。 3.D 【详解】句意:如果技术被合理地使用,这个世界将变得越来越好。 考查动词时态。根据“If”可知,此处是含if引导的条件状语从句的复合句,遵循“主将从现”原则,主句应用一般将来时。故选D。 4.A 【详解】句意:如果明天下雨,我不会和我的朋友踢足球。 考查时态用法。rains下雨,动词的单三形式,用于一般现在时;will rain将下雨,一般现在时;won’t play将不玩,一般将来时的否定形式;don’t play不玩,一般现在时的否定形式。根据题意可知,该句是If引导的条件状语从句,从句用一般现在时,主句用一般将来时。从句中it是第三人称单数,谓语动词用第三人称单数形式rains;主句一般将来时,助动词用will,否定句用won’t。故选A。 5.C 【详解】句意:如果明天不下雨,我们就去钓鱼。 考查if引导的条件状语从句。根据“We...fishing if it…rain tomorrow”可知,此处是if引导的条件状语从句,需遵循“主将从现”原则,主句用一般将来时,从句应使用一般现在时。故排除选项A、B、D。主句用will go表示将来计划,从句用doesn’t rain 表示一般现在时的否定条件,故选C。 6.A 【详解】句意:如果我们努力控制它并正确使用它,技术可以提供很大的帮助。 考查连词辨析。if如果;before在……之前;though虽然;until直到。分析句子可知,后句是前句的条件,用if引导条件状语从句。故选A。 7.B 【详解】句意:如果明天不下雨,我们去踢足球吧。 考查助动词辨析。won’t 表示将来时的否定;doesn’t 主语是第三人称单数;isn’t 用于一般现在时,表示否定;don’t 用于一般现在时,主语是非第三人称单数。根据“Let’s play football if it”可知,if 引导的条件状语从句遵循“主将从现”原则,即主句用一般将来时,从句用一般现在时表示将来。从句主语是 it,动词是 rain,为实义动词,否定形式需要借助助动词 doesn’t,故选 B。 8.D 【详解】句意:如果她邀请我,我将去参加她的生日派对。 考查连词辨析和时态。Because因为;When当……时;So因此;If如果。根据“…she invites me, I…to her birthday party.”可知,此句是指如果她邀请我,我就会去参加她的生日派对,if引导的条件状语从句,遵循“主将从现”原则,从句用一般现在时,主句要用一般将来时,故选D。 9.C 【详解】句意:——如果明天下雨我们怎么办?——我们可以待在家里看电视。 考查连词辨析。because因为;so因此;if如果;but但是。根据“We can stay at home and watch TV.”可知,此处问的是如果下雨怎么办,应用if引导条件状语从句。故选C。 10.A 【详解】句意:如果明天不下雨,我们将和同学们去南溪湿地公园野餐。 考查if引导的条件状语从句。本句是由if引导的条件状语从句,遵循“主将从现”原则,即主句用一般将来时,从句用一般现在时表示将来;从句的主语是it,谓语动词是rain,结合语境,是说如果明天不下雨就去野餐,所以要用否定形式doesn’t rain。故选A。 11.A 【详解】句意:——我们不能上同一所大学真是太遗憾了。——不要担心。如果我们能保持联系,我们的友谊会越来越牢固。 考查连词辨析。If如果;Although虽然,尽管;But但是;Because因为。根据“we can keep in touch with each other, our friendship will be stronger and stronger.”可知,“我们能彼此保持联系”是一种假设条件,“我们的友谊会越来越深厚”是在这种假设条件下产生的结果,故此处应用if引导条件状语从句。故选A。 12.B 【详解】句意:我想如果明天不下雨,我阿姨会来我们家。 考查条件状语从句的时态用法。分析句子结构可知,这是一个包含宾语从句和条件状语从句的复合句。“will come”用在主句中,符合一般将来时,“doesn’t rain”是一般现在时,用在条件状语从句中,符合“主将从现”的规则,故选B。 13.A 【详解】句意:我最好的朋友Lucy擅长写作。我相信如果她参加写作比赛,她会获得好成绩。 考查连词辨析。if如果;while然而;because因为;before在……之前。根据空前后关系可知,后句是前句的条件,应用if引导条件状语从句,表示假设的情况,故选A。 14.B 【详解】句意:如果她的儿子成为一名医生,她将非常高兴。 考查动词时态。will be; becomes从句将来时,主句一般现在时;becomes; will be从句一般现在时,主句将来时;will be; is从句和主句都使用了一般现在时;will be; will be从句和主句都使用了将来时。根据“If her son … a doctor, she… very happy.”可知,此句是一个主从复合句,if引导的条件状语从句,遵循“主将从现”原则,主句用一般将来时will do,从句用一般现在时,主语是her son,谓语动词用三单。故选B。 15.D 【详解】句意:如果你喜欢京剧,请来北京的老舍茶馆。 考查条件状语从句。because因为;that无意义;until直到;if如果。根据空前后关系可知,应选择if来引导条件状语从句,在条件状语从句中,如果主句是祈使句,从句使用一般现在时。故选D。 16.A 【详解】句意:如果他帮助我们,我们将更快完成工作。 考查动词的时态。根据“If he ... us, we will finish the work more quickly.”可知,“If”引导的条件状语从句中,如果主句是一般将来时,则从句用一般现在时。故选A。 17.B 【详解】句意:如果你在空闲时间做足够的运动,你会更健康。 考查if引导的条件状语从句。根据题干“if you…enough exercise in his free time.”可知是if引导的条件状语从句,主句用一般将来时,从句用一般现在时,故选B。 18.B 【详解】句意:——我不知道明天是不是晴天。——如果明天下雨,我将会待在家里。 考查动词时态。分析题干可知,if引导条件状语从句,时态遵循“主将从现”原则,主句使用一般将来时,从句使用一般现在时,从句主语it为第三人称单数,谓语动词用第三人称单数形式rains。故选B。 19.D 【详解】句意:——你透过窗户正在看什么?——雨。如果它停了,我打算去学校图书馆。 考查连词。before在……之前;because因为;until直到;if如果。根据句意,需要表示“如果它停了,我打算去学校图书馆。”这一含义,要使用“if”表示“如果”。故选D。 20.B 【详解】句意:如果我起得早,我就会赶上早班车。 考查if引导的条件状语从句。根据“If I … up early, I … the early bus.”可知,此句是if引导的条件状语从句,遵循“主将从现”原则,主语为“I”,结合选项可知,第一空,从句时态为一般现在时,谓语动词应用动词原形get;第二空,主句时态应用一般将来时,其结构为will catch。故选B。 二、 21.will learn 【详解】句意:如果你环游世界,你会学到很多东西。该句是if引导的条件状语从句,从句使用一般现在时,主句表示在条件满足时可能发生的结果,因此需要用一般将来时“will+动词原形”来表达。故填will learn。 22.finish 【详解】句意:如果你完成了作业,你就可以回家了。finish“完成”,动词。且该句为if引导的条件状语从句,应遵循主将从现原则,即从句时态应为一般现在时,从句主语为you,谓语动词应用动词原形。故填finish。 23.rains 【详解】句意:——汤姆想知道你明天是否会去野餐。——去。但是如果下雨,我们就在家里下棋。rain“下雨”,是动词,该句是if引导的条件状语从句,时态遵循“主将从现”,主语是“it”,动词rain改为三单形式。故填rains。 24. calls will call 【详解】句意:如果他打电话来,告诉他我会给他回电话。分析题干可知,此处是if引导的条件状语从句,主句是祈使句,则从句应采用一般现在时,从句主语he表示单数,所以动词call要变成第三人称单数形式calls;分析“tell him I...him back”可知, 空处是宾语从句的谓语,主句是一般现在时,则宾语从句要根据具体情况来确定应采用的时态,结合语境可知,空处的动作发生在将来,应用一般将来时,结构是:will+动词原形,所以第二空应填will call。故填calls;will call。 25. will go doesn’t rain 【详解】句意:如果今天下午不下雨,我们就去海滩。根据“this afternoon”可知,主从句的动作都没有发生,if引导的条件状语从句遵循主句用将来时,从句用一般现在时的规则;所以第一空用将来时,填will go;第二空用一般现在时,主语“it”是第三人称单数,所以借助助动词doesn’t构成否定句,谓语动词用原形rain,故填will go;doesn’t rain。 26. Call have 【详解】句意:如果你有任何问题,请给我打电话。if引导的条件状语从句,遵循“主将/祈从现”;分析可知主句是祈使句,以动词原形开头;从句用一般现在时,主语是“you”,谓语动词用原形,故填Call;have。 27. won’t come don’t let 【详解】句意:如果他们的父母不让孩子们外出,他们不会来我的派对。if引导的条件状语从句,主句用一般将来时,从句用一般现在时,遵循主将从现的原则,所以第一个空应填入一般将来时的否定形式,即won’t come,第二个空应填入一般现在时的否定形式,主语为their parents,所以应该用don’t let。故填won’t come;don’t let。 28.doesn’t rain 【详解】句意:如果这个星期天不下雨,我们就去公园。if条件状语从句遵循“主将从现”原则,此处为否定句,主语为“it”,所以应借助助动词does,does与not可缩写为doesn’t。故填doesn’t rain。 29. comes will call 【详解】句意:如果他明天来这里,我会给你打电话。根据if引导的条件状语从句的“主将从现”原则,可知从句用一般现在时,主句用一般将来时。第一空主语是he,动词用第三人称单数形式comes。主句用一般将来时will call。故填comes;will call。 30.will meet 【详解】句意:如果他明天有足够的时间,他会在他的办公室见你。if引导的条件状语从句,遵循“主将从现”原则,主句用一般将来时:will do。故填will meet。 三、 31. If you not/never 【详解】句意:早点睡觉,不然第二天早上你会觉得困。结合题干可知,同义句可表述为“如果你早点睡觉,第二天早上你就不会感到困了”,应用if引导此条件状语从句,句首首字母i要大写;从句的主语是you;主句表示否定意义,可在you’ll后加not或者never构成否定。故填If;you;not/never。 32. If don’t 【详解】句意:没有你的帮助,我解决不了这个问题。结合题干可知,同义句可表述为“如果你不帮我,我就解决不了这个问题”,应用if引导此条件状语从句,句首首字母i要大写;主句“I won’t work out the problem”是一般将来时,从句则采用一般现在时,从句主语是you,所以要用don’t表示否定。故填If;don’t。 33. unless help 【详解】句意:如果你不帮助我们,我们就无法完成这项工作。结合题干可知,同义句可改为unless引导的条件状语从句,表述为“除非你帮助我们,否则我们无法完成这项工作”,主句“We can’t finish the work”含有情态动词can,则从句采用一般现在时,从句主语you和动词原形连用,所以第二空应填动词help。故填unless;help。 34. If no 【详解】句意:没有人能在没有空气和水的情况下生存。原句表达的是“没有空气和水,人就无法生存”的意思。为了保持句意不变,我们需要将原句改写为一个条件句,即“如果……,那么……”。在条件句中,“如果”通常用“if”来表示。所以,第一个空应该填“If”。“没有”在英文中可以用“no”来表示。原句中的“without air or water”可以改写为“if there is no air or water”,即“如果没有空气和水”。所以,第二个空应该填“no”。故填:If;no。 35. If don’t 【详解】句意:快点,否则你上课要迟到了。题干属于“祈使句+or+陈述句”结构,相当于“否定的if条件状语从句+主句”。if位于句首,首字母要大写;从句时态为一般现在时,主语为you,变否定句时要借助助动词don’t,后接动词原形。故填If;don’t。 36. are not quick 【详解】句意:快点,否则你会迟到的。这句话可以改写为:如果你不快点,你将会迟到。if引导的条件状语从句遵循“主将从现”原则,从句用一般现在时,主句用一般将来时。be quick“快点”,时态为一般现在时,主语是you,be动词用are,表否定需要加not。故填are;not;quick。 37.If 【详解】句意:交通灯是红色的。我们必须等待。本题考查if引导的条件状语从句。“交通灯是红色的”是条件,“我们必须等待”是结果。把“if”放在从句前,表示“如果”,从句和主句之间用逗号隔开。即If the traffic lights are red, we must wait.表示 “如果交通灯是红色的,我们必须等待”。故填If。 38. doesn’t will 【详解】句意:不会下雨的。我要去公园。if引导的条件状语从句,遵循“主将从现”原则,从句用一般现在时,主句用一般将来时。it作主语,否定句助动词用doesn’t;第二空用will+go构成一般将来时。故填doesn’t;will。 39. If helps me can 【详解】句意:我能按时完成工作。他会帮我的。要求用if合并为一句,可表示“如果他帮助我,我能按时完成工作”;句子为含if引导的条件状语从句的主从复合句,从句用一般现在时,主句可以是情态动词+动词原形;if位于句首,首字母要大写;从句主语“he”为第三人称单数,谓语动词help应用三单形式helps;me“我”,人称代词宾格,作动词helps的宾语;can“能”,情态动词,后接动词原形。故填If;helps;me;can。 40. rains won’t 【详解】句意:明天会下雨。我们不去野餐了。原句可改为“如果明天下雨,我们不会去野餐”,if引导的条件状语从句,从句用一般现在时,主句用一般将来时,从句的主语是it,动词用三单,故填rains;won’t。 学科网(北京)股份有限公司 $$ 2025-2026学年八年级英语上学期满分冲刺专练(人教版2024) Unit 8 Let's Communicate! 重点语法专练 语法探究 if引导的条件状语从句 1.定义 在复合句中作条件状语的句子叫作条件状语从句,用于表示假设的情况及其可能产生的结果。条件状语从句常用 if 来引导。 2. 基本结构:“if+从句,主句”或“主句+ if+从句”。如: If you stay calm and say sorry, it will help. = It will help if you stay calm and say sorry. 如果你保持冷静并道歉,这将会有帮助。 注意:if引导的条件状语从句可放在主句前也可放在主句后,放在句首时通常加逗号与主句隔开。 3. if引导的条件状语从句的时态规则 (1)零条件句:用于描述普遍真理、科学事实、自然规律或习惯性结果。 课文再现 归纳总结 ☆ If you want to solve the problem, a face-to-face talk usually works the best. 主语用一般现在时,if引导的条件状语从句也要用一般现在时。 (2)第一条件句:用于描述未来可能发生的情况。 课文再现 归纳总结 ☆If the rehearsal ends at 7:00 p. m. , I' ll pick you up at 7:15 p. m. ☆If you stay calm and say sorry, it will help. 主将从现 主句用了一般将来时,if引导的条件状语从句要用一般现在时。 ☆If she follows you everywhere, she may want to play games with you. ☆Texting can make things worse if you' re not careful with your words. 主情从现 主句中含有情态动词,if引导的条件状语从句要用一般现在时。 ☆If it is still hard to talk, take a break. ☆If you can't reach her by phone, try texting. 主祈从现 主句是祈使句,if引导的条件状语从句要用一般现在时。 注意: (1)在 if 引导的条件状语从句中,主句不用 be going to表示将来,一般常用 shall或 will。 If he is at home this Sunday, I'm going to give the book to him.(×) If he is at home this Sunday, I' ll give the book to him.(✔) (2) unless( = if... not...)“除非”, as long as“只要”也可以引导条件状语从句。如: ①You will fail unless you study hard. = You will fail if you don't study hard. 除非你努力学习,否则你将会失败。 ②You can borrow my book as long as you return it on time. 只要你按时归还,就可以借我的书。 语法专练 一、单项选择 1.Fu Xing will go to the science museum with us ________ she is free tomorrow. A.before B.after C.if D.although 2.________ we work together, we can overcome difficulties. A.If B.Until C.Though D.While 3.If the technology is used properly, the world ________ better and better. A.becomes B.become C.is becoming D.will become 4.If it ________ tommorow, I ________ football with my friends . A.rains; won’t play B.rains; don’t play C.will rain; won’t play D.rain; will play 5.We ________ fishing if it ________ rain tomorrow. A.are; doesn’t B.will go; will C.will go; doesn’t D.go; won’t 6.Technology can be of great help ________ we make an effort to control it and use it right. A.if B.before C.though D.until 7.Let’s play football if it ____ rain tomorrow. A.won’t B.doesn’t C.isn’t D.don’t 8.________ she invites me, I ________ to her birthday party. A.Because; went B.When; went C.So; will go D.If; will go 9.—What will we do ________ it rains tomorrow? —We can stay at home and watch TV. A.because B.so C.if D.but 10.We’ll go for a picnic with our classmates in Nanxi Wetland Park if it ________ tomorrow. A.doesn’t rain B.rained C.won’t rain D.rains 11.—It’s so sad that we can’t go to the same university. —Don’t worry. ________ we can keep in touch with each other, our friendship will be stronger and stronger. A.If B.Although C.But D.Because 12.I think my aunt ________ to our house if it ________ tomorrow. A.will come, won’t rain B.will come, doesn’t rain C.comes, won’t rain D.comes, rains 13.My best friend Lucy is good at writing. I’m sure she will get a good place ________ she takes part in the writing competition. A.if B.while C.because D.before 14.If her son ________a doctor, she ________ very happy. A.will be; becomes B.becomes; will be C.will be; is D.will be; will be 15.Please come to Lao She Teahouse in Beijing ________ you like Beijing Opera. A.because B.that C.until D.if 16.If he ________ us, we will finish the work more quickly. A.helps B.will help C.is helping D.helped 17.You _________ much healthier if you _________ enough exercise in his free time. A.are; are B.will be; do C.are; will do 18.—I don’t know if it will be sunny tomorrow. —If it ________ tomorrow, I will stay at home. A.will rain B.rains C.to rain D.raining 19.—What are you watching through the window? —The rain. I’m going to the school library ________ it stops. A.before B.because C.until D.if 20.If I ________ up early, I ________ the early bus. A.get; catch B.get; will catch C.will get; will catch 二、用正确形式拼写单词 21.You (learn) a lot if you travel around the world. 22.If you (finish) your homework, you can go home. 23.—Tom wants to know if you will have a picnic tomorrow. —Yes. But if it (rain), we’ll play chess at home instead. 24.If he (call), tell him I (call) him back. 25.We (go) to the beach if it (not rain) this afternoon. 26. (call) me if you (have) any problems. 27.They (not come) to my party if their parents (not let) them go out. 28.If it this Sunday, we will go to the park. (not rain) 29.If he (come) here tomorrow, I (call) you. 30.If he has enough time tomorrow, he (meet) you in his office. 三、按要求完成句子 31.Go to bed early, or you’ll feel sleepy the next morning. (改为同义句) go to bed early, you’ll feel sleepy the next morning. 32.Without your help, I won’t work out the problem. (改为同义句) you help me, I won’t work out the problem. 33.We can’t finish the work if you don’t help us. (改为同义句) We can’t finish the work you us. 34.Nobody can live without air or water. (保持句意不变) there is air or water, nobody can live. 35.Hurry up (快点), or you may be late for class. (同义句转换) you hurry up, you may be late for class. 36.Be quick, or you’ll be late. (改为同义句) If you , you’ll be late. 37.The traffic lights are red. We must wait.  (用if合并为一句) the traffic lights are red, we must wait. 38.It won’t rain. I will go to the park. (合并为一句) If it rain, I go to the park. 39.I can finish the work on time. He’ll help me. (用if 合并为一句) he , I finish the work on time. 40.It will rain tomorrow. We won’t go for a picnic (合并为一句) If it tomorrow, we go for a picnic. 学科网(北京)股份有限公司 $$

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Unit 8 Let's Communicate!  重点语法专练-2025-2026学年八年级英语上学期满分冲刺专练(人教版2024)
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Unit 8 Let's Communicate!  重点语法专练-2025-2026学年八年级英语上学期满分冲刺专练(人教版2024)
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Unit 8 Let's Communicate!  重点语法专练-2025-2026学年八年级英语上学期满分冲刺专练(人教版2024)
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