4.时间原因状语从句-2025-2026学年高中英语期末语法复习必修1（沪教版）

期末语法复习 必修1·沪教牛津版（上海教育）·时间/原因状语从句 一、时间/原因状语从句核心用法详解 考点一：时间状语从句的引导词辨析 结构：常用引导词包括when（当…时)、while（当…时，主句和从句动作同时进 行，从句多用延续性动词)、as(一边…一边，随着)、before(在…之前)、after(在 …之后)、ntl/ll（直到…)、since（自从…，主句常用现在完成时)、as soon as (一…就…)等。 例句：While I was doing my homework,my mother was cooking.(while强调动作同时进 行，从句用过去进行时) 真题再现： 1.I was watching TV I heard a loud noise outside..【2022上海浦东新区高一期末】 A)when B)while C)as D)since 答案：A 2.he finished his homework,he went out to play basketball.【2021上海徐汇区高一统 考】 A)As soon as B)While C)Since D)Until 答案：A 考点二：时间状语从句的时态呼应 结构： 1.当主句为一般将来时，从句用一般现在时表将来（主将从现)，如：I will call you when I anive home 2.since引导的从句用一般过去时，主句用现在完成时，如：We have lived here since 2010. 3.mtl引导的从句中，主句为否定句时用延续性动词，肯定句时用短暂性动词，如：He didn't go to bed until his mother came back.(否定句，延续性动词wait隐含其中) 例句：If it rains tomorrow,we will stay at home.(主句一般将来时，从句一般现在时) 真题再现： l.My father me a new bike as soon as he his salary next month.【2023上海虹口区高 一期末】 A)buys;gets B)will buy,gets C)will buy,will get D)buys;will get 答案：B 2.She in this school for three years since she here in2022.【2022上海杨浦区高一月 考】 A)has studied;came B)studied;came C)has studied;has come D)studied;has come 答案：A 考点三：原因状语从句的引导词辨析 结构：常用引导词包括because(因为，语气最强，直接回答why)、since(既然，表 已知的原因，语气较弱)、as(由于，表显而易见的原因，语气比since更弱)、now that (既然，同since,口语中常用)等。 例句：Because he was ill,he didn't go to school..(直接回答原因) Since everyone is here,let's start the meeting.(已知“所有人都到了”这一事实) 注意：because不能与so连用；since/as引导的从句常置于句首。 真题再现： 1.-Why didn't you attend the party last night? 一_I had to prepare for the English exam.【2023上海闵行区高一期末】 A)As B)Since C)Because D)Now that 答案：C 2.it was raining heavily,.we decided to stay at home.【202l上海宝山区高一统考】 A)Because of B)As C)So D)For 答案：B 考点四：时间/原因状语从句的省略 结构：当从句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/介词短语”结构。 例句：While(Iwas)walking in the street,.I met an old friend.(时间状语从句省略Iwas) He didn't come to school because (he was)ill.(原因状语从句省略he was) 真题再现： 1.-by the beautiful scenery,the visitors decided to stay for another two days.[2022 黄浦区高一期末】 A)Attracting B)Attracted C)To attract D)Attract 答案：B 2.Unless_to speak,you should remain silent at the meeting.【2023上海松江区高一月 考】 A)invited B)inviting C)being invited D)to invite 答案：A 考点五：易混淆连词的区别(when/while/as;because/since/as) 结构： 1.when可指时间点或时间段，从句动词可延续或短暂；wile只指时间段，从句动词必 须延续，且强调主从句动作同时进行；s强调“一边…一边”或“随着”。 2.because强调直接原因，回答why;since/as强调“已知原因”，语气较弱，常置于句 首；for表补充说明的原因，不置于句首，用逗号与主句隔开。 例句：When he came in,Iwas1 eading.(when从句动词短暂) As time goes by,we grow older.(as表“随着”) He must be ill,for he is absent today.(for补充说明原因) 真题再现： l.I was doing my homework,my brother was listening to music.【2022上海青浦区高 一期末】 A)When B)While C)As D)Since 答案：B 2.He didn't pass the exam,he didn't study hard.[2023 上海嘉定区高一统考】 A)because B)since C)as D)for 答案：A 二、考点综合训练 (一)单项选择 1.I was doing my homework my sister came into the room. A)when B)while C)as D)since 2.We for a walk after dinner if ittomorrow. A)will go;doesn't rain B)go,won’train C)go;doesn't rain D)will go;won'train 3.he is very busy,he always finds time to help others. A)Because B)As C)Although D)Since 4.She has lived in this city she was born. A)when B)as C)since D)while 5.by the story,many students couldn't help crying. A)Moving B)Moved C)To move D)Move 6.My mother usually cooks my father reads newspapers. A)when B)while C)as soon as D)since 7.-Why did you miss the meeting? -I was stuck in a traffic jam A)As B)Since C)Because D)Now that 8.If I free tomorrow,I to the park with you. A)am;will go B)will be;go C)am;go D)will be;will go (二)完成句子 1.自从他去年来到这里，就一直在这家公司工作。 He_in this company hehere last year 2.因为下雨，我们不得不推迟运动会。 it rained,we_put offthe sports meeting. 3.我正在看电视时，电话突然响了。 I TV the phone rang. 4.如果明天天气好，我们就去野餐。 If the weathertomorrow,we_for a picnic. 5.他直到完成作业才去睡觉。 He_go to bed he his homework. (三)短文改错下面短文中共有5处与时间/原因状语从句相关的错误，请找出并改正 1.While I walked in the street yesterday,I met an old friend. 2.Because he was ill,so he didn't go to school. 3.Since I was a child,I live in this small town. 4.As soon as he will arrive,he will call me. 5.If it will rain tomorrow,we will stay at home. (四)语法填空阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式 Tom is a high school student.He usually gets up at 6:30 am.After breakfast,he goes to school.He likes reading books 1.he is on the bus.2.he arrives at school,he starts his first class at 8:00 am.He has lunch at school at 12:00 pm.After school,he often plays basket- ball with his friends 3.it doesn't rain. Tom has studied English for three years 4.he came to this school.His teacher suggested that he 5.(read)English every morning.6.(inspire)by his teacher,Tom works very hard.He hopes he 7.(improve)his English soon. (五)参考答案与解析 1.单项选择答案：1.A2.A3.B4.C5.B6.B7.C8.A 2.完成句子答案： 1.has worked;since;came 2.As/Because/Since;had to 3.was watching,when 4.is fine,will go 5.didn't;,until;finished 3.短文改错答案： l.walked→was walking 2.删除so 3.live→have lived 4.删除wi山 5.will rain→rains 4.语法填空答案： 1.while 2.When 3.if 4.since 5.(should)read 6.Inspired 7.will improve 英语语法复习手册·必修1·沪教牛津版（上海教育）·时间/原因状语从句