八年级英语新目标下Unit5SectionA3a-3c课件.pptVIP

1. He met his wife when he was studying in New York. 2. When I came in, he was sleeping. 3. While we were having breakfast, John was talking on the phone. Find out the difference between them. when和while引导的时间状语从句。 若when/while从句的动作正在进行， 主句的动作发生了，则从句用过去 进行时，主句用一般过去时。 while 引导的状语从句还可表示 从句的动作正在进行的同时，主 句的动作也在进行之中。 小试牛刀 用when或while填空。 1. Miss Lin was helping my desk-mate with her lessons I left school. 2. I was doing homework my parents were cooking dinner. 3. My parents were sleeping I came back. 4. I was taking a shower my father was reading a book. when while while when Discuss the questions with your partner. “Although the storm broke many things apart, it brought families and neighbors closer together.” What other things can bring people closer together? Share your ideas and reasons with your partner first; then share them with the class. 2. How can we help each other in times of difficulty? cheer people up by saying some kind words to encourage them (2) give away clothes, food and other things to those who need help (3) give away some money to those who lost their homes (4) send some police officers and doctors to save the people in danger 在困境中 --- in times of …在…的时候/时期 1. _______ Jennifer was reading a magazine, his sister was listening to the pop music. A. While B. When C. What time 2. I was trying to draw a cat on the board _________ the teacher came in. A. while B. when C. what time 3. My best friend visited my house while I _______ dinner in the kitchen. A. cooked B. cooking C. was cooking 练一练 A B C 4. — Dick gave me a note?while?I ______ in the library.?— I guess he made it to say “sorry” to you. A. am reading B. was reading? ? ? C. reads? ? D. will read?? 用所给词的适当形式填空 1 . Black clouds were (make) the sky very dark. 2. Ben