常见的物理消毒方法有:过去进行时语法归纳(Past Continous Tense)

过去进行时Past Continous Tense
项目
内容
备注
概念
表示在过去某一时刻或某一段时间内正在进行或发生的动作。
构成
was /were + V-ing
例句
We were having dinner when the telephone rang.
肯定形式
He was doing his homework at 8 p.m. last night.
变化形式与现在进行时一样，除了助动词由am/is/are改为was/were。
否定形式
He was not doing his homework at 8 p.m. last night.
疑问形式
Was he doing his homework at 8 p.m. last night?
关键词
at this time yesterday
at that time
at nine last night
from nine to ten last night
the whole morning
those days
when
while
(just)then
有时候句子中没有时间状语，用什么时态要根据具体内容判断；
某些时间状语用什么时态要根据句子的上下文判断，用一般过去时表示动作的完成，用过去进行时表示的持续进行。
与一般过去时的区别
过去进行时表示过去某时正在进行的动作。
一般过去时表示一个完成的动作。
I wrote a letter this morning.
今天上午我写了一封信。（信写完了）
I was writing a letter this morning.
今天上午我在写一封信。（信不一定写完）
The children watched TV yesterday evening
.昨晚孩子们看了电视。（强调过去发生了这件事）
The children were watching TV yesterday evening.
昨晚孩子们都在看电视。（强调昨晚看电视这件事的持续性）
动词填空：
1.         Simon _________(make) a model plane at 8 a.m.
2.         Peter __________(do) his homework at 7 p.m. last night.
3.         They __________(watch) a football match from 7p.m. to 9 p.m. last night.
4.         He _________(draw) a plane on the blackboard at that time.
5.         What book _________you ________(read) when I _______(see) you at four yesterday
afternoon?
6.         While she _________(watch) TV, her son _________(play) outside the room.
7.         It _______(begin) to rain while we ________(work) in the field.
8.         I ______(do) my homework last night when the light _________(go) out.
9.         Girls ________(dance) while boys _______(sing) at the party.
10.     When the teacher _______(come) into the classroom, the students ______(laugh) loudly.
11.     I ________(walk) in the street when someone ____________(call) me.
12.     While we __________ (wait) for the bus, a girl __________ (run) up to us.
13.     I __________ (telephone) a friend when Bob __________ (come) in.
14.     We __________ (test) the new machine when the electricity __________ (go) off.
15.     While mother ________ (put) Cathy to bed, the door bell ________ (ring).
16.     It was quite late at night. George __________ (read) and Amy __________ (ply) her piano
when they __________ (hear) a knock at the door.
17.     ______ they______ (feed) the animals at 5:00 yesterday afternoon?
18.     Mrs. Green __________ (not wash) clothes at this time yesterday.
19.     Grandpa ____________ (mend) his clock when I reached home.
20.     As I _________ (walk) in the park, I saw some children playing games.
单项选择：
(   ) 1 What ______ from three to four yesterday afternoon?
A. have you done        B. had you done    C. did you do       D. were you doing
(   ) 2 ---- I call you yesterday evening, but there was no answer.
----Oh., I’m sorry I _____ dinner at my friend’s home.
A. home                     B. had                 C. was having      D. have had
(   ) 3 My mother _____ while my father _____TV.
A. cooked; was watching                         B. was cooking; was watching
C. was cooked; watched                          D. cooked; watched
(   ) 4 When I got home, my son _____ the music.
A. am listening to        B. listened to        C. was listening to        D. was listening
(   ) 5 We heard a cry when we ______ TV last night.
A. were watching        B. would watch          C. watch             D. watched
(   ) 6 She asked him whether he _____ back for lunch.
A. come                     B. was coming     C. came               D. had come
(   ) 7 Could you tell me when ______?
A. she is coming                                     B. she was coming
C. will be come                                       D. is he coming
(   ) 8 The teacher ______ when I came into the classroom.
A. is drawing              B. draws             C. has drawn       D. was drawing
(   ) 9 The pizza ______ by my mother. Would you like to have some?
A. makes                    B. was making     C. made              D. was made
(   ) 10 Nobody noticed what she ______ at the moment.
A. will do                   B. was doing       C. has done         D. had done
(   ) 11 Was it raining hard when you _____ this morning?
A. left                        B. leaves              C. was leaving      D. would leave
◇江苏13城市中考试题汇编
单项选择：
(   ) 1. ----Did you see a girl in white pass by just now? (08南京)
----No, sir. I ________ a newspaper.
A. read                B. was reading                  C. would read             D. am reading
(   ) 2. Last night I _______ the homepage for my class when my friend called me. (08常州)
A. designed         B. has designed           C. was designing         D. would design
(   ) 3. ----Did you see a girl in red pass by just now? (08苏州)
----No, sir. I ________ a newspaper.
A. read                B. am reading             C. would read             D. was reading
(   ) 4. I saw Lisa in the street yesterday, but she didn't see me. She ___ the other way. (08徐州)
A. was looking     B. is looking               C. looked                   D. has looked
(   ) 5. ----Let's go and see the Olympic torch relay. (08泰州)
----Sorry, I didn't catch you. I ________ a newspaper just now.
A.read                 B. was reading            C. have read                D. am reading
(   ) 6. While I ____ a Jingjiang Evening Paper in the sitting room, the doorbell rang. (08镇江)
A.was reading      B. read                       C. is reading               D. had read
(   ) 7. ----Did you watch the football match yesterday?
----Yes, I did. You know my brother _________ in the match. (09苏州)
A. is playing         B. was playing            C. has played              D. will play
(   ) 8. ----Has your father finished his report?
----Sorry, I don’t know. He ________ it this morning. (09扬州)
A. was writing      B. wrote                     C. has written             D. had written
(   ) 9. ----Did you watch the movie Nanjing! Nanjing! in the school hall last night? (09盐城)
----Yes, though it ________ hard all the time.
A. is raining         B. was raining            C. has rained              D. had rained
(   ) 10. ----I called you last night, but nobody answered it.
----Oh, we _______ some shopping in Star Shopping Mall. (09泰州)
A. did                 B. were doing            C. have done               D. are doing
(   ) 11. ----What do you think of the film “Avatar”? (2010苏州)
----It’s fantastic. The only pity is that I _________ the beginning of it.
A. missed            B. was missing           C. miss                       D. will miss
(   ) 12. ----What were you doing when I called you at 8 o’clock yesterday? (2010淮安)
----I ________ the violin at that time.
A. play                B. is playing                C. played                    D. was playing
(   ) 13. ----I didn’t see you at Tom’s party yesterday. (2010泰州)
----I _______ the home for the elderly with my parents.
A. was visiting     B. am visiting              C. will visit                 D. visit
(   ) 14. I ________ the charity show on TV when the telephone rang. (2010宿迁)
A. watch             B. watched                  C. am watching           D. was watching
用所给单词的适当形式填空：
1.         ----You were out when I telephoned you yesterday afternoon. (2010南通)
----Oh, I ________ (wait) for a friend from America at the airport.
2.         John ________(chat) with his son while his wife was cooking in the kitchen. (09常州)
3.         ----What were the children doing over there? (2010连云港)
----They _______(draw) pictures to welcome the 41st World Earth Day. (2010连云港)
翻译句子：
1.         昨天这个时候他正在弹钢琴。(2010苏州)
_____________________________________________.