状语从句系统复习-2025-2026学年九年级英语下册语法重难点精讲（沪外版）

9下沪外版 【寒假专版】 D版重难点精讲 寒假专版 【语法专题】状语从句系统复习 初中沪外版9年级 语法精讲 语法概述：状语从句=从属连词+完整句子，在句中可作时间、地点、原因、条件、目的、结果、 让步、方式、比较状语。 一、重难点讲解 重难点一：状语从句的连接词辨析讲解： 不同类型的状语从句需匹配特定连接词，易混淆点集中在时间、条件、让步及原因状语从句的连 接词选用。 时间状语从句：whn(当…时，主从句动作可同时或先后发生)、while(当…时，主从句动作同 时进行，从句常用延续性动词)、util(直到·，主句为肯定句时用延续性动词，否定句时用瞬间 动词)。 例句：When I arrived home,my mom was cooking.(先后发生) While she was reading,the phone rang.(同时进行) 条件状语从句：f(如果，引导真实条件句，主句用将来时，从句用一般现在时)、unless(除非= if..not)。 例句：If it rains tomorrow,we will stay at home You won't pass the exam unless you study hard. 让步状语从句：though/although(虽然，不能与but连用)、even if(即使)。 例句：Though he is young,.he knows a lot.(不能说Though,but…) 原因状语从句：because（直接原因，回答why)、since(既然，表已知原因)、as(由于，语气比 because弱)。 例句：He was late because he missed the bus. Since everyone is here,let's start the meeting. 真题再现： l.(2024上海浦东期末，沪外版)—What were you doing_the fire alarm went off?一I was taking 9下沪外版 【寒假专版】 D版重难点精讲 a shower in the bathroom A.when B.while C.until D.since 答案：A解析：主句动作(taking a shower)与从句动作(went off,瞬间动词)先后发生， 用when。 2.(2023江苏苏州月考，沪外版)We will have a picnic this Sunday_it doesn'train A.though B.if C.unless D.because 答案：B 解析：“如果不下雨就去野餐”，表条件用f,unless(除非下雨)逻辑相反，不符 合语境。 重难点二：状语从句的时态呼应讲解： -时间/条件状语从句：主句用一般将来时、祈使句或含情态动词(can/may/must)时，从句用一般 现在时表将来(“主将从现”)。 例句：I will call you as soon as I arrive in Beijing.(主句will call,从句arrive用一般现在时) If you see him,tell him to call me back.(主句祈使句，从句see用一般现在时) ·其他状语从句：时态需根据语境合理搭配，如原因、让步状语从句常用一般过去时或一般现在 时。 例句：He didn't go to school because he was ill..(主过从过) 真题再现： l.(2024浙江宁波期中，沪外版)My parents always tell me that I_cross the road until the traffic lightsgreen. A.won't;turn B.didn't:turned C.don't;will turn D.won't;will turn 答案：A解析：主句含情态动词tell后的宾语从句用将来时won't,until引导的时间状语从 句用一般现在时tum表将来。 2.(2023安徽合肥期末，沪外版)Since you_here,you should try your best to help with the project A.are B.were C.will be 9下沪外版 【寒假专版】 D版重难点精讲 D.have been 答案：A解析：since引导原因状语从句，表“既然你现在在这里”，用一般现在时are: 重难点三：状语从句的省略现象讲解： 当状语从句的主语与主句主语一致，且从句谓语含be动词时，可省略从句的主语和be动词（保 留“连词+分词/形容词/名词”)。 -时间/条件状语从句：While (he was)walking in the park,he met an old friend. If (it is)necessary,I will help you. -让步状语从句：Though(shei母young,she speaks English fluently. 注意：若从句主语是it,且谓语含be动词，it和be也可省略，如When(itis)possible,.we will visit you. 真题再现： 1.(2024 湖北武汉月考，沪外版)_carefully,the old man walked across the busy street with the help of a volunteer. A.Though walking B.When walked C.If he was walking D.While he walking 答案：A解析：从句主语与主句主语(the oldman)一致，省略“he was”,完整形式为Though he was walking carefully. 2.(2023福建厦门期末，沪外版)You can ask for help in trouble. A.when you will be B.when being C.if you are D.if being 答案：C解析：选项B/D省略错误（主语you与be动词are不可直接省略为being),A时 态错误（条件从句用一般现在时），故选C(完整句，未省略)。 重难点四：结果状语从句与目的状语从句辨析讲解： -结果状语从句：s0…that…（如此…以至于…，so后接形容词/副词)such..that-…（如此…以至 于…，such后接名词短语)，从句表自然结果。 例句：He is so tall that he can reach the shelf. It was such a heavy rain that we couldn't go out -目的状语从句：so that(为了，从句常含情态动词can/may/will)、in order that(为了，语气更强)， 从句表主观目的。 3 9下沪外版 【寒假专版】 D版重难点精讲 例句：She studies hard so that she can enter a good high school..(目的) 真题再现： 1.(2024广东深圳期末，沪外版)The movie was_moving_many people cried in the cinema A.so;that B.such;that C.too;to D.enough;to 答案：A解析：moving是形容词，用so..that.…表“如此感人以至于…”，such后需接名词 短语（如such a moving movie)。 2.（2023 上海徐汇月考，沪外版)We started early_we could catch the first train to Beijing. A.So B.so that C.because D.though 答案：B 解析：“早起是为了赶上火车”，表目的用so that,后接情态动词could。 易错点综合演练 1.单项选择（直击重难点） 1.-What were you doing your brother came back from school yesterday? A.when B.while C.until D.since 2.If ittomorrow,we stay at home and watch movies A.rains;will B.will rain;will C.rains,are D.will rain;are 3.Though she young,she speak three foreign languages A.is;can B.was;could C.is;could D.was;can 4.He studies hard he always gets good grades 4 9下沪外版 【寒假专版】 D版重难点精讲 A.so;that B.such;that C.too;to D.enough;to Ⅱ.用所给词的适当形式填空（强化句型结构） 1.I (call)you as soon as I(arrive)in Shanghai tomorrow. 2.She (not go)to the park unless her friend (invite)her. 3.While my mother(cook)dinner,I(do)my homework. 4.He (be)late for school because he(miss)the bus this momning. 5.If you(study)hard,you(pass)the exam. Ⅲ.短文填空（综合运用状语从句） 用适当的连接词填空，使短文完整通顺。 Tom usually gets up early 1.he doesn't want to be late for school.2.he was ill yesterday,he still went to school.3.he arrived at school,the bell had already rung.His teacher said,"You will be punished 4.you are late again."Tom felt sorry and promised,"I5.get up earlier 6.I won't be late tomorrow." V.连词成句（聚焦句型结构) 1.it,rains,tomorrow,we,will,not,go,hiking,if,(. 2.young,though,he,is,he,knows,a,lot,(. 3.I,finish,my,homework,until,didn't,10 o'clock,last night,(. 4.so,the,movie,interesting,was,that,I,watched,it,twice,(. 5.she,study,hard,so that,can,she,enter,a,good,high school,( V.按要求改写句子（巩固状语从句用法） 1.He will go to the party if he is free.(改为否定句) 2.While I was reading,my sister came in.(对划线部分提问) 3.She was late because she missed the bus.(改为同义句) 4.The box is so heavy that I can't carry it.(改为简单句) 9下沪外版 【寒假专版】D版重难点精讲 参考答案 1.单项选择：1.A2.A3.A4.A Ⅱ.用所给词的适当形式填空： 1.will call;arrive 2.won't go;invites 3.was cooking;was doing 4.was;missed 5.study,will pass Ⅲ短文填空： 1.because 2.Though/Although 3.When 4.if 5.will 6.so that .连词成句： 1.If it rains tomorrow,we will not go hiking. 2.Though he is young,he knows a lot. 3.I didn't finish my homework until 10 o'clock last night. 4.The movie was so interesting that I watched it twice. 5.She studies hard so that she can enter a good high school. V.按要求改写句子： 1.He won't go to the party if he is free. 2.What were you doing when your sister came in? 3.She was late because of missing the bus. 4.The box is too heavy for me to carry. 6