whenwhile用法(最新整理)

1、when 和 while 的用法和區(qū)別while 和 when 都是表示同時(shí)，到底句子中是用 when 還是 while 主要看從句和主句中所使用的動(dòng)詞是短暫性動(dòng)作（瞬時(shí)動(dòng)詞）還是持續(xù)性動(dòng)作。1、若主句表示的是一個(gè)短暫性的動(dòng)作，而從句表示的是一個(gè)持續(xù)性動(dòng)作時(shí)，兩者都可用。如：he fell asleep when while he was reading. 他看書(shū)時(shí)睡著了。i met him when while i was taking a walk in the park. 我在公園散步時(shí)遇到了他。2、若主、從句表示兩個(gè)同時(shí)進(jìn)行的持續(xù)性動(dòng)作，且強(qiáng)調(diào)主句表示的動(dòng)作延續(xù)到從句所指的整個(gè)時(shí)間，通

2、常要用 while。如：dont talk while youre eating. 吃飯時(shí)不要說(shuō)話。i kept silent while he was writing. 在他寫(xiě)的時(shí)候，我默不作聲。3、若從句是一個(gè)短暫性動(dòng)作，而主句是一個(gè)持續(xù)性動(dòng)作，可以 when 但不用 while。如：when he came in, i was listening to the radio. 他進(jìn)來(lái)時(shí)，我在聽(tīng)收音機(jī)。it was raining hard when we arrived. 我們到達(dá)時(shí)正下著大雨。4、若主、從句表示的是兩個(gè)同時(shí)(或幾乎同時(shí))發(fā)生的短暫性動(dòng)作，一般要用 when。如：i tho

3、ught of it just when you opened your mouth. 就在你要說(shuō)的時(shí)候，我也想到了。如果是進(jìn)行時(shí)態(tài)，一般是持續(xù)性的。如果是過(guò)去式，一般是短暫性動(dòng)作。對(duì)于，填寫(xiě) when 還是 while 的問(wèn)題，通常首先看主句和從句中的時(shí)態(tài)，再根據(jù)以上 4個(gè)規(guī)律來(lái)判斷填寫(xiě)那個(gè)單詞。主句從句短暫性when/while持續(xù)性（過(guò)去時(shí)）（過(guò)進(jìn)：was/were +doing）he fell asleep when while he was reading.持續(xù)性while持續(xù)性（一般現(xiàn)在/過(guò)去時(shí)）（過(guò)進(jìn)：was/were +doing）dont talk while youre e

4、ating. i kept silent while he was writing.（現(xiàn)進(jìn)：am/is/are +doing）（現(xiàn)進(jìn)：am/is/are +doing）（過(guò)進(jìn)：was/were +doing）（過(guò)進(jìn)：was/were +doing）i was watching tvwhilemy mother was cooking(動(dòng)作同時(shí)發(fā)生)when短暫性持續(xù)性（過(guò)進(jìn)：was/were +doing）（過(guò)去時(shí)）i was listening to the radio when he came in.短暫性when短暫性（過(guò)去時(shí)）（過(guò)去時(shí)）i thought of it just when

5、 you opened your mouth.用 when 或 while 填空1tom was eating supper, it began to rain outside. 2 dont use your phoneyou are driving a car.3 what were you doingmr. zhou came in ? 4 jim is good at mathmary is good at english. 5 we were watching tvthe electricity was off.6 peter was sleeping; a thief broke

6、into his house.7 it snowedwe arrived in tokyo.8 she left her hometownshe was five.9 i was studying in the librarythe ufo landed選用 when 或 while 填空。1. my wallet dropped on the groundi was walking.2. i was falling asleep there was a loud knock on the door.3. he was reading, the telephone rang.4. were t

7、he students listening to the teacher carefullythe teacher was giving a lesson?5. the telephone rang, i was doing my homework.6. was she playing gamesthe bell was ringing?7. the days get longerspring comes.8. lucy was listening to the radiolily was watching tv.9. we were batting on the lake, we saw a

8、 fish jump out of the water.10. they have their pe lesson indoorsit rains.用 when, while 填空：1. i was listening to the radiohe came in.2. the teacher came in, we were talking.3. he came back, i was doing some washing.4. i was cooking dinnerthey came home.5. he fell asleephe was reading.6. he asked me

9、a questioni was speaking.7. jim hurt his armhe was playing tennis.8. she was waiting for the train, she became very impatient.9. he was watching tvshe was cooking.“”“”at the end, xiao bian gives you a passage. minand once said, people who learn to learn are very happy people. in every wonderful life

10、, learning is an eternal theme. as a professional clerical and teaching position, i understand the importance of continuous learning, life is diligent, nothing can be gained, only continuous learning can achieve better self. only by constantly learning and mastering the latest relevant knowledge, can employees from all walks of life keep up with the pace of enterprise development and innovate to meet the