让步和原因状语从句-2025-2026学年九年级英语全一册语法考点精讲（沪外版）

9年级沪外版 【寒假专版】 考点精讲 寒假专版 让步和原因状语从句 语法专项突破 考点精讲 考点一：原因状语从句连接词的基本用法 规则：because表示直接原因，语气最强，常用于回答why引导的问句：since/as表示己知的、显 然的原因，语气较弱，常译为“既然/由于”，since稍正式，as更口语化。 例题l:(选择，沪外版七下期末真题改编)：一Why do you like English?一一it is interesting.A SoB.Because C.Since D.As(答案：B) 例题2：（填空）：_everyone is here,let's start the meeting.(答案：Since/As) 考点二：让步状语从句连接词though/although的用法 规则：hough和although都表示“虽然/尽管”，引导让步状语从句，两者可互换，不能与but同 时使用，但可与yet/stil连用。 例题1： (选择，沪外版八上期末真题改编)：一he is young,he knows a lot.A.Though B.ButC. Because D.So(答案：A) 例题2：（改错)：Although it rained heavily,but we still went to school.(答案：去掉but或改为 yet) 考点三：because与so的误用辨析 规则：because和so都是连词，分别表示“因为”和“所以”，在英语中不能同时出现在一个句 子里，只能用其一。 例题1：（选择，沪外版七下期末真题改编）：He didn't go to school.一he was ill.A.soB.because C.because so D.so because(答案：B) 例题2： 考点四：though/although与even though的区别 规则：hough/although表示一般性的让步，even though语气更强，强调“即使/纵然”，引导的从 句内容往往是假设性的或不太可能发生的情况。 9年级沪外版 【寒假专版】 考点精讲 例题1： (填空，沪外版八上期末真题改编)：一it is difficult,I will try my best to finish it..(答案： Even though/Though/Although) 例题2： 考点综合训练 一、单项选择 1.-Why did you stay at home yesterday?-I had a bad cold. A.So B.Because C.Since D.As 2.she is only 12,she can speak three languages. A.Though B.But C.Because D.So 3.He didn't join the party-he was very busy. A.so B.because C.because so D.so because 4.it rains tomorrow,we will still go hiking. A.Though B.Even though C.Because D.As 5.everyone has arrived,let's begin our class. A.So B.Because C.Since D.Though 二、语法填空 1.(because)she studies hard,she always gets good grades. 2.He decided to help me-(since)he knew I was in trouble. 3.(though)it was late,he continued working 4.I will finish the task on time(even though)it is difficult. 5.(as)you are free today,why not go shopping with me? 三、句型转换 1.Ie was late for school because he missed the bus..(对划线部分提问) -was he late for school? 2.Although it was cold,.we went out for a walk.(改为同义句) It was cold,_we went out for a walk. 3.Because she is kind,everyone likes her.(改为同义句) She is kind,_everyone likes her. 2 9年级沪外版 【寒假专版】 考点精讲 4.Though he is young,he can solve the problem.(改为同义句) He is young,-he can solve the problem. 四、篇章填空 Dear classmates, -(since)we are in Grade 8 now,we face more challenges.Some of us feel stressed,_(because)we have too much homework.-(though)it is not easy,we should never give up.My friend Lucy always tries her best(even though)she is often tired.(as)a student,I think we should balance study and rest.Let's work together! 参考答案 一、单项选择 1.B2.A3.B4.B5.C 二、语法填空 1.Because 2.since/as 3.Though/Although 4.even though 5.As/Since 三、句型转换 1.Why 2.but 3.so 4.but 四、篇章填空 1.Since 2.because 3.Though/Although 4.even though 5.As 3