第05讲 条件状语从句-【寒假自学课】2024年八年级英语寒假提升学与练（人教版）（原卷版）.docx

第05讲 条件状语从句目录 考点聚焦：核心考点聚焦，有的放矢 重点速记：知识点和关键点梳理，查漏补缺 难点强化：难点内容标注与讲解，能力提升 学以致用：真题感知+提升专练，全面突破核心考点聚焦1. 结构if 意为“如果”，引导条件状语从句时，既可放在主句前面，也可放在主句后面若if条件句放在句首，从句后面要加逗号与主句隔开If you go there, I’ll go, too. 如果你去那儿，我也会去My mother will take me to the park if she is free. 如果我妈妈有空，她就会带我去公园2. 时态：(1) 主句是一般将来时，if从句用一般现在时表示将来If he comes, he will bring his violin. 如果他来，就会带上他的小提琴2) 主句用情态动词表示可能的结果时，if从句用一般现在时If you want to lose weight, you must eat less bread. 如果你想减肥，就必须少吃面包You can get good grades if you study hard. 如果你努力学习，就可以取得好成绩。

3) 主句是祈使句时，if从句用一般现在时If you are not strong enough, please don’t take part in such an activity. 如果你不是很强壮，请不要参加这种活动3. 句型转换：(1) if 引导的条件状语从句可与“祈使句+and/or+陈述句（一般将来时）”转换其中，在句意上and表示顺承；or表示转折，意为“否则”If you work hard, you’ll pass the exam easily.=Work hard, and you’ll pass the exam easily.努力学习，你将很容易通过考试2) 借助without或with来转换条件状语从句If there is no air or water, people can’t live.=People can’t live without air or water.如果没有空气和水，人们将无法生存If you help me, I’ll finish the work soon.=With your help, I’ll finish the work soon.如果你帮助我，我将很快完成工作。

if引导的从句类型的区分及词义的区分1. 动词+if +宾语从句，if 翻译成“是否”，时态按宾语从句的时态规律进行选择 —Does Tim tell you if he ________ tomorrow? —No, he doesn’t. But if he ________, I’ll call you.A．will come; will come B．will come; comesC．comes; comes D．comes; will come2. 主句+if+条件状语从句，if翻译成“如果”，时态遵循“主将从现”原则 I will go to the party if he invites me. 如果他邀请我，我就会去参加晚会Please call me at once if he comes back. 如果他回来了请立刻给我打注意：if /when 引导状语从句和宾语从句这时，从句的时态：ifWhenif/when从句的时态条件/时间状语从句如果、假如当……的时候一般现在时宾语从句是否什么时候一般将来时真题感知1．（2023·湖南湘西·统考中考真题）Wild animals will be in great danger ________ we protect them together.A．if B．but C．unless2．（2023·甘肃甘南·统考中考真题）—I wonder if Li Hua ________ to the hospital to receive the vaccination（疫苗接种）. —I am sure he will if he ________ time.A．goes; will have B．will go; has C．will go; will have3．（2023·江苏常州·统考中考真题）As we live in a rapidly developing world, we will be left behind ________ we keep learning.A．unless B．if C．after D．though4．（2023·黑龙江哈尔滨·统考中考真题）For our safety, we must keep away from the tall buildings ________ the wind blows hard.A．if B．although C．so5．（2023·湖北宜昌·中考真题）—Lucy, the Dragon Boat Festival is coming. I want to learn how to make zongzi. —OK. If my grandma ________ free tomorrow, she will teach us.A．is B．are C．am D．will be6．（2023·辽宁抚顺·统考中考真题）My parents won’t allow me to do things I like ________ I finish my homework.A．if B．but C．because D．unless7．（2023·河北·中考真题）It is really dangerous _______ people run the red traffic light.A．if B．unless C．though D．until8．（2023·黑龙江·中考真题）Zhang Guimei once said, “________ I’m alive, I will donate (献身) myself to teaching.”A．Even though B．As soon as C．As long as9．（2023·湖南岳阳·中考真题）You won’t pass the PE exam successfully ________ you exercise every day.A．if B．unless C．as long as10．（2023·安徽·中考真题）Our country will be much better for everyone in future ________ we all do something to help now.A．if B．before C．so that D．even though11．（2023·四川成都·中考真题）________ you treat others with your heart, you will get friendship in return.A．If B．Until C．Unless12．（2022·广西桂林·统考中考真题）If you ________ along this road, you will find a park.A．go B．went C．goes13．（2022·江苏盐城·统考中考真题）We’ll have a picnic in the park this Sunday ________ there is a heavy rain.A．whether B．unless C．since D．because14．（2022·湖北黄石·统考中考真题）There ________ a volleyball game next Saturday. If it ________ we’ll have to put it off.A．is going to be; rains B．is going to be; will rainC．is going to have; will rain D．is going to have; rains15．（2022·江苏南通·统考中考真题）Mary is good at writing. I am sure she’ll get a good place ________ she takes part in the writing competition.A．before B．if C．though D．unless16．（2022·广西百色·中考真题）I don’t know if it _________ tomorrow, but if it _________, I’ll stay at home.A．will rain; rains B．will rain; will rain C．rains; will rain D．rains; rains17．（2022·辽宁丹东·统考中考真题）— Can we win the basketball game tomorrow?— Of course, _______ we try our best.A．if B．or C．unless D．though18．（2022·辽宁盘锦·统考中考真题）The little boy won’t go to sleep unless his mom _________ him a story.A．tells B．told C．is telling D．will tell19．（2022·黑龙江齐齐哈尔·统考中考真题）Learning to write is learning to think. ________ , you won’t know things clearly.A．If you write them down B．Unless you write them down C．If you won’t write them down20．（2022·河北·统考中考真题）________ you can use your dictionary, you will learn English better.A．If B．Unless C．Though D．Before提升专练一、单项选择1．—Will you go to Bob’s birthday party? —No. ________ he invites me.A．If B．When C．Unless2．—I wonder if he ________ to the museum tomorrow. —If it ________, he won’t go.A．will go；will rain B．will go；rains C．goes；will rain3．Even if we learn something well, we will forget it ________ we use it.A．unless B．until C．as D．because4．Yo。