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1、状语从句状语从句 Adverbial Clause什么是状语?He speaks English very well. You are very beautiful.()()()主语谓语宾语状语I usually go to school by bike (方式状语)方式状语)every day.(时间状时间状语语)用来修饰用来修饰动词动词,形容词形容词,副词副词以及全句的句子成分,叫做以及全句的句子成分,叫做状语状语。adverbial modifier (adv.)用作状语的通常是用作状语的通常是副词副词,介词介词短语短语,不定式不定式和和从句从句等。等。状语从句?u在复合句中表示的状语在
2、复合句中表示的状语 修饰主句中的修饰主句中的谓语动词,形谓语动词,形容词或副词容词或副词等的从句叫状语等的从句叫状语从句。从句。 When while as当他回到家的时候,我正在做饭我到了那边就给你打电话。一般情况下,从句的谓语动一般情况下,从句的谓语动词用词用“一般现在时一般现在时”表示表示“一般将来时一般将来时”,即,即“主将主将从现、主祈从现从现、主祈从现”。I met her while I was at school.当当Tom 正在看电视的时候,他妻子正在看电视的时候,他妻子正在做饭。正在做饭。While Tom was watching TV, his wife was coo
3、king. 说明动作或状态发生、存在的时间。说明动作或状态发生、存在的时间。时间状语从句可以由以下连词或词组引导时间状语从句可以由以下连词或词组引导ABCwhen当当时时before在在之前之前as soon as一一就就while当当时时after在在之后之后as当当时时since自从自从以来以来whenever无论何时无论何时till/ until直到直到时间状语从句时间状语从句1.I went to bed after the TV play was over. 2.Could you look after her while were away?3.She has taught in
4、this school since she came to this city in 1989. 4.Wait until I come back. 原因状语从句原因状语从句思考:引导原因状语从句的词都有哪些?原因状语从句1.He sold the car because it was too small. 2.Since you wont help me, I must do the job myself. 3.As my mother is away at this moment, I have to look after my younger sister. 原因状语从句注意:注意: (
5、1)for不用于句首,而用于主句之后,补充说明理由;主句不用于句首,而用于主句之后,补充说明理由;主句表推测时,用表推测时,用for说明原因。说明原因。 例如:例如: Ill follow his advice, for he is a doctor. 我会听从他的劝告,因为他是医生。我会听从他的劝告,因为他是医生。 (2)because of也是表示原因状语,但后面只能跟短语。也是表示原因状语,但后面只能跟短语。 例如:例如: I stayed at home because of the bad weather. 因为天气不好我留在家里。因为天气不好我留在家里。 条件状语从句思考:引导条件
6、状语从句的词都有哪些?思考:引导条件状语从句的词都有哪些?条件状语从句1.I shall go if he asks me. 2.I shant go unless he asks me. 3.Come with me if you have time. 4.I want to watch a basketball match if Im well tonight. 条件状语从句注意注意(1)在条件状语从句里,谓语动词通常用现在时态表示将在条件状语从句里,谓语动词通常用现在时态表示将来的动作或状态。来的动作或状态。例如:例如:Ill help you with your English if
7、am free tomorrow.He wont be late unless he is ill.(2)“祈使句祈使句 + and (or)+ 陈述句陈述句” 在意思上相当于一个在意思上相当于一个带有条件状语从句的复合句。带有条件状语从句的复合句。 例如:例如:Hurry up, or youll be late. =If you dont hurry up, youll be late.Study hard and you will pass the exam. =If you study hard, you will pass the exam.1 We were swimming in
8、 the lake _ suddenly the storm started. A. when B. while C. until D. before“当我们正在湖里游泳的时候突然暴风雨开始了当我们正在湖里游泳的时候突然暴风雨开始了”, 表示主句的动作处于从句的动作突然发生时应采用表示主句的动作处于从句的动作突然发生时应采用whenwhen(while(while不适合用于这样的语境不适合用于这样的语境) ), whenwhen表示表示“当当的时候的时候”受限制条件最少。受限制条件最少。近几年试题近几年试题1. -Its 9 oclock now. I must go. -Its rainin
9、g outside. Dont leave _ it stops. A. when B. since C. while D. until2. Frank _ a film if hes free next Saturday. A. see B. saw C. has seen D. will see3. The children will climb the hill if it _ tomorrow. A. wont rain B. didnt rain C. doesnt rain D. isnt rainingDDC连词连词时态(状语从句)时态(状语从句)时态(时态(状语从句)状语从句)
10、分析试题特点及做题思路:分析试题特点及做题思路:题形题形 (1)选择题:)选择题:考连词考连词- 做题思路:做题思路: 考时态考时态-做题思路:做题思路: 翻译翻译- 判断关系判断关系- 选择正确的连词选择正确的连词翻译翻译- 判断语境提供的时态特点判断语境提供的时态特点- 选择正选择正确的时态确的时态 练习练习 : 1. Ill write to you _ I get there. A. while B. before C. as soon as D. by2. He has lived in the city _ he came back from America. A. when B.
11、 before C. since D. after3. We wont leave here _ our teacher comes back. A. until B. since C. after D. as soon as4. I had to finish the picture _ my mother came back. A. until B. before C. after D. while5. John fell asleep _ he was listening to the music. A. after B. before C. while D. as soon as 中考
12、题型时间状语从句时间状语从句 Youll be late _ you dont get up early tomorrow morning.A. if B. when C. before D. untilIf he _ on time, we will go without himA. doesnt come B. dont comeC. didnt comeIf you _ him tomorrow, please ask him if he _ to work on the farm with us.A. see ; goes B. will see; goes C. will see;
13、will go D. see; will go中考题型总结:总结: 条件状语从句考的频率比较高,主要考查条件状语从句考的频率比较高,主要考查if 连词和连词和if引导的从句与主句的时态(主将从现)引导的从句与主句的时态(主将从现)条件状语从句条件状语从句如果如果是否是否 1. I didnt buy the dictionary yesterday _ my aunt would give me one. A. until B. because C. if D before2. - Why did you come to school late this morning? - _ I watc
14、hed the football World Cup until 12 oclock last night. A. If B. Because C. Since D. Though中考题型 总结:总结: 重点掌握重点掌握because 的用法的用法 (注:(注: because 和和so 不能同时用在一个句子中)不能同时用在一个句子中)原因状语从句原因状语从句根据中文意思完成句子中考题型 完成句子题做题思路:完成句子题做题思路:l确定正确句型或连词确定正确句型或连词 l运用正确的时态运用正确的时态l 找出关键词汇找出关键词汇1. I will give the ticket to him _
15、(我一见到他我一见到他)2. The foreign friends have visited a lot of cities _ (自从他们自从他们到中国以来到中国以来)3. Mr Green wont go _. (直到你回来直到你回来) 4. I could ride a bike _. (当我当我10岁时岁时)5. I began to do some drawing _ (我完成作业后我完成作业后)6. He has to send his daughter to school _ (他上班之前他上班之前)as soon as I see him since they came to
16、 Chinauntil you come backwhen I was 10 years oldafter I finished my homeworkbefore he goes to work7. You wont be able to pass the exam _ (如果你不努力如果你不努力)8. The students stopped making noises _ (他们一看见他们他们一看见他们 的老师的老师 )if you dont work hardas soon as they saw their teacher1. 他一到家,我就告诉他这件事。他一到家,我就告诉他这件事。
17、I will tell him about it _2. 我喜欢吃苹果,因为这对我的健康有好处。我喜欢吃苹果,因为这对我的健康有好处。I like to eat apples _3. 他和汤姆跑的一样快。他和汤姆跑的一样快。He _ Tom.4. Jack太穷,他买不起这本书。太穷,他买不起这本书。 _ couldnt buy the book.5. 直到爸爸回来他才读完这本书。直到爸爸回来他才读完这本书。_ his father came back.根据中文完成句子根据中文完成句子 He didnt finish reading the book untilbecause its good for my health. runs as fast as Jack was so poor that he as soon as he gets home.Strike while the iron is hot.A friend is never known till a man has need. 趁趁热热打打铁铁All things are difficult before they are ready.万事开万事开头难头难需要之需要之时时方知友方知友作业:整理笔记并背熟
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