過去進(jìn)行時(shí)之when-和while的區(qū)別PPT課件

1、2021/7/241李華蓉李華蓉老師老師 過去進(jìn)行時(shí)過去進(jìn)行時(shí)中的中的whenwhen和和whilewhile湖南省石門縣澧斕中學(xué)湖南省石門縣澧斕中學(xué)2021/7/2422021/7/2432021/7/244He was running.2021/7/245from 8 to 9from 8 to 9yesterdayyesterdaymorningmorningShe was having a Chinese class.2021/7/246 When Jim called him upWhen Jim called him up, he was sleeping.2021/7/247Wh

2、ile Tom walked to schoolWhile Tom walked to school, he was eating.2021/7/248? ?2021/7/249 I was walking to school when I saw a cat in a tree.When Sally arrived home, her mother was cleaning the house. 主句的動(dòng)作是持續(xù)性的，而從句動(dòng)作主句的動(dòng)作是持續(xù)性的，而從句動(dòng)作是短暫性的，此時(shí)用是短暫性的，此時(shí)用 _ 引導(dǎo)時(shí)間狀引導(dǎo)時(shí)間狀語從句，主句用語從句，主句用 _ 時(shí)態(tài)，從句時(shí)態(tài)，從句用一般過去時(shí)態(tài)。用

3、一般過去時(shí)態(tài)。when過去進(jìn)行過去進(jìn)行（一）（一）2021/7/2410 While I was sleeping in the bedroom, my father came in . David fell while he was riding his bike. 主句的動(dòng)作是短暫性的，從句的動(dòng)作主句的動(dòng)作是短暫性的，從句的動(dòng)作是持續(xù)性的，此時(shí)用是持續(xù)性的，此時(shí)用 _ 引導(dǎo)從引導(dǎo)從句，主句用句，主句用 _ 時(shí)態(tài)，從句時(shí)態(tài)，從句用過去進(jìn)行時(shí)態(tài)。用過去進(jìn)行時(shí)態(tài)。while一般過去一般過去（二）（二）2021/7/2411 While Andy was waiting for the bus, he was reading a newspaper. He was cleaning his car while I was cooking. 主句和從句的動(dòng)作在過去的某時(shí)刻或某主句和從句的動(dòng)作在過去的某時(shí)刻或某段時(shí)間同時(shí)發(fā)生，而且動(dòng)作都是持續(xù)性段時(shí)間同時(shí)發(fā)生，而且動(dòng)作都是持續(xù)性的，此時(shí)用的，此時(shí)用 _ 引導(dǎo)從句，而且主引導(dǎo)從句，而且主句和從句都用句和從句都用 _ 時(shí)態(tài)。時(shí)態(tài)。while過去進(jìn)行過去進(jìn)行（三）（三）2021/7/2412短暫性短暫性延續(xù)性延續(xù)性同時(shí)發(fā)生同時(shí)發(fā)生延續(xù)性延續(xù)性短暫性短暫性對(duì)照關(guān)系對(duì)照關(guān)系2021/7/2413when過去進(jìn)行時(shí)態(tài)過去進(jìn)行時(shí)態(tài)while一般