初二时间状语从句-教师版.docx

时间状语从句教师版请思考以下问题：1. 什么是状语？a. He speaks English very well.( 副词 作状语)b. I come specially to see you.（ to do 作状语）c. The boy was praised for his bravery.（ 介词短语 作状语）d. When she was 12 years old, she began to live in Dalian.（ 句子 作状语）2. 状语从句是什么?a. I was doing my homework when my mother came in.（ 时间 状语从句）b. While John was watching TV, his wife was cooking. （ 时间 状语从句）c. My friends dislike me because Im handsome and successful.（ 原因 状语从句）引导词用法例子when意为“当的时候”。when引导从句的谓语动词可以是 延续性动词 ，也可为 非延续 性。.1. A liar is not believed when he speaks the truth. 2. I was doing my homework when my mother came in.while意为“在的时候，在的同时”。while引导从句的谓语动词必须是 延续性 v的，发生时间较长，并强调主句和从句的动作同时发生（或者相对应）。while有时还可以表示对比,意为 然而 1. While I was standing at the window, I saw several boys running along the street. 2. While John was watching TV, his wife was cooking. （同时进行）as意为“一边一边”,同时发生。1. Helen heard the story as she washed clothes.tilluntil意为“直到” not.until “直到才.”1. She didnt even know that it was an earthquake till she saw a shaking light.2. He didnt go to bed until he had finished his work.as soon as意为“一就”。引导时间状语从句时原则： 主将从现 1. Tom will call me as soon as he gets home.2. I will call you as soon as I arrive.小试牛刀1. -Where was your brother at this time last night? - He was writing an e-mail _ I was watching TV at home. A. when B. while C. until2. None of us knew what had happened _ we heard the news on radio. A. afterB. untilC. when3. Other kids ate candy for breakfast. I had to have porridge. A. Before B. Until C. As soon as D. While 4._ I finally got to the top of the mountain, it suddenly changed. A. As B. Till C. Since D. Until5. Wu Yi will help with the housework _ he gets home after school. A. since B. while C. as soon as6. Kelly cooked dinner for her parents _ they were cleaning the yard. A. while B. since C. before 7. _ they went along, they saw a pair of old shoes lying on the path. A. Since B. As C. By the time8. _ I am in trouble, my classmates will help me out. A. Before B. Whenever C. Although9. _ he was ten, he climbed the highest mountain in Africa. A. By the time B. when C. since10. _ I arrived at the bus stop, the bus had left.A. After B. Until C. By the time11. -I want to know when Mr. Brown will arrive. -When he _, I will tell you. A. will arrive B. arrived C. arrives12. Im sorry to have you waiting so long for Marcia, and Im afraid itll be ten minutes _ she comes back.A. before B. after C. until课后练习题1. When will you come to Daqing? I will call you _I arrive.A. till B. while C. as quickly as D. as soon as 2. Ill give it to Jim as soon as I _him tomorrow.A. saw B. will see C .see D. have seen3. I want to know when Mr. Brown will arrive. When he , I will tell you. A. will arrive B. arrived C. arrives 4. .The bus driver always says to us ,“Dont get off_ the bus stops.”A. when B. while C .until D. if 5. . Excuse me Could you wake me up when my friend_ here? Of course. :hat we still dont know when your friend _ here. A. comes; will come B. comes； comes C. will come; comes D. will come； will come6. . _ I was in he US, I made a lot of American friends.学科王A. While B. Although C. Unless D. Until7. . You cant watch TV _ you finish your homework.A. before B. if C. while D. as8.They were playing on the computer their teacher came in .A. after B. when C. until D. then 9.Jane ,please turn off the lights you leave the classroom.A. after B. before C. until D. but10. Its a serious problem .We cant decide Mr Green comes back.A. while B.so C. until D. after11.Many students didnt realize the impo