八下 Unit 5 What were you doing when the rainstorm came?语法专练（无答案）

八下 unit 5 语法专练 When 和while when 既可以表示时间点，也可以表示时间段，从句中谓语动词可以是延续性动词，也可以是瞬间动词。 while 只表示某个时间段，从句谓语动词必须用延续性动词，且多用于进行时态。强调主句与从句的动作同时发生或主句的动作发生在从句的动作过程中。 My brother fell while he was riding his bicycle. 我哥哥骑自行车的时候从车上摔了下来。 It was raining when they left the station. 他们离开车站的时候天正在下雨。 They left the station while it was raining. 天正在下雨的时候他们离开了车站。 When I got to the top of the mountain, the sun was shining. 当我到达山顶的时候，阳光灿烂。 达标检测 when 与while 专题练习： （ ）1. When I got there, he _____ them to dance. A. is teaching B. teaches C. taught D. was teaching （ ）2. We were reading the newspaper _____ suddenly the light went out (熄灭). A. when B. while C. as D. / （ ）3. Newton was playing under an apple tree _____ an apple fell onto his head. A. after B. before C. when D. while （ ）4. What _____ when the earthquake happened on May 12th. A. are you doing B. were you doing C. do you do D. did you do （ ）5. My brother _____ while he _____ his bicycle and hurt himself. A. fell , was riding B. fell, rode C. is falling, rode D.had fallen, was riding （ ）6. Mary was dancing while Mike _____ the piano. A. played B. was playing C. were playing D. plays （ ）7. All the students were sweeping the floor __ they heard a man _____ “help”. A. when, shouting B. while , to shout C. when , to shout D. while , shouting （ ）8. While I _____ my breakfast , the postman came and brought me the newspaper. A. is having B. was having C. has had D.had （ ）9. He was just falling asleep _____ there was a loud knock at the door. A. when B. while C. as D. and （ ）10. When my father came back, my mother _____ in the kitchen. A.cooks B. cooked C. is cooking D. was cooking 用when和while填空。 1.Mary was having dinner _____ I saw her . 2.The weather was fine _____ we were in Beijing . 3.Don’t talk so loudly _____ others are working . 4. I was walking in the street _____ I saw the accident happen. 5.He was listening to music _____ he was riding his bike . 6.I was waiting at the lights _____ I saw the boy fall off his bike . 7.I was walking in the street _____ an accident happened . 8.The driver was talking on his mobile phone _____ he was driving . 过去进行时 1. 定义 过去进行时，是表示过去某个具体时刻正在进行的事情或动作。 结构：be (过去式）+ 动词-ing 过去进行时可以表示在过去某个时间点发生的事情。时间点可以用介词短语、副词或从句来表示。常用的时间状语：this morning，the whole morning，all day yesterday，from nine to ten last evening。 用所给动词的正确形式填空。 1. —What_____ you_____(do) when he arrived —I _____(watch) TV at that time. 2. When I_____ (walk) in the street, I_____ (meet) my best friend Jim. 3. Mom_____ (buy) my father a nice coat and a pair of trousers last Sunday. 4. While my parents were doing some cleaning, my sister_____ (shout) to me loudly. 5. When he saw the thief steeling things in the off ... ...