Unit 5 Revision of Past Progressive Tense 课件 (共20张PPT)

(共20张PPT)
Revision of Past
Progressive Tense
（过去进行时态复习）
1. 掌握过去进行时的含义和结构。
2.掌握 when 和 while 的用法。
3.掌握一般过去时与过去进行时的区别。
① Alice was doing her homework at six yesterday evening.
② Mike and his brother were playing soccer from three to four yesterday afternoon.
Part One
（请同学们根据以下两个句子自学完成导学案第一部分内容。）
1、含义及构成
含义：
① 表示在过去某一时刻正在发生的动作。
② 表示过去一段时间内一直在进行的动作。
结构:
肯定形式：
否定形式：
疑问形式：
主语+was/were+V-ing
主语+ wasn't/ weren't+V-ing
Was/Were+主语+V-ing？
Exercise
1. The Greens were drinking tea at that
time. (改为否定句)
The Greens ________ ________ at that time.
2. My father was reading a newspaper from
four to five yesterday afternoon. (改为一般疑问句，并做肯定/否定回答)
________ your father ________ a
newspaper from four to five yesterday
afternoon
__________ / _____________.
weren't drinking
Was reading
Yes, he was
No, he wasn't
Exercise
3. It was raining hard at 9:00 yesterday evening. (改为否定句)
It ________ _________ hard at 9:00 yesterday evening.
4. They were playing football at that
time. (对划线部分提问)
________ ________ they ________ at
that time
wasn't raining
What were doing
① When I called him up, he was sleeping.
② When she came into my room,
I was just reading a book.
③ While Jenny was cleaning the room, Betty came home.
④ While John was cleaning his room, Mary turned on the radio.
Part Two
（请同学们小组讨论，从以下四个句子中总结导学案二中when和while的句式及用法）
* When引导时间状语从句：
when后面的从句用（ ）时态，
主句用（ ）时态。
* While引导时间状语从句：
while后面的从句用（ ）时态，
主句用（ ）时态。
Part Two
Group work
一般过去
过去进行
一般过去
过去进行
* 用when 或 while填空。
1. We were talking ________the teacher came into the classroom.
2. Someone knocked at the door______ I was doing my homework.
3. The boys were playing by the river_____ Tom fell into the river.
4. ______I was reading the newspaper, the doorbell rang.
Exercise
when
when
while
While
＊ when/while同义句转换
5. While John was playing the piano, Mary left the house.
6. I was walking in the street when someone called me.
John was playing the piano when Mary left the house.
While I was walking in the street， someone called me.
While Andy was waiting for the bus, Tom was reading a newspaper.
* 当while引导的时间状语从句，主从句动词都为延续性动词且在句子中翻译为“与此同时”这个意思时，主句和从句都用( )时态。
Discussion：
过去进行
（下面这个句子是否可以和when引导的从句进行同义句转换呢？
* 用所给单词的适当形式填空。
7. While they_______ _______ (clean)
the floor, the teacher came in.
8. Jane __________ (wait) for me when I
______ (arrive).
9. My brother came into the bedroom while I ____________ (dance).
10. He ___________ ( do ) his homework while his mother was cooking.
Exercise
were cleaning
was waiting
was dancing
arrived
was doing
1. 改错练习。
1. He was going to school by bus last week.
2. He was waiting for you three hours ago.
3. He played football at 7:00 yesterday afternoon.
4. The girl had a piano lesson at this time yesterday.
5. He was meeting a charming girl two days ago.
went
waited
was playing
was having
met
Part Three
at eight / nine ... (o’clock) yesterday ，at that time/moment，then，from eight to ten yesterday morning，the whole morning ;
when与while引导的时间状语从句。
yesterday, last week, in 1993, once, before, a few days ago等。
* 过去进行时与一般过去时常见的时间状语（标志词）：
Part Three
过去进行时时间状语：
一般过去时时间状语：
2.根据时态，在导学案上完成短文。
Dear Peter,
I’m writing to tell you about what happened to
me last week while I (1) __________ (visit) my
aunt. One afternoon I (2) __________ (take)
her dog for a walk when I (3) ________ (notice)
a girl climbing a tree by the edge of the cliff
(悬崖边). Suddenly the branch (树枝) (4)
________ (break) and the girl (5) ________
(fall) over the edge.
broke
was visiting
was taking
noticed
fell
I (6) ____________ (think) about what to do
when a man (7) ________ (come) along the
road. I (8) __________ (explain) what had
happened and when he (9) ________ (go) for
help, I (10) ___________ (talk) to the girl. Well,
everything ended happily.
That’s all my news. Write and tell me yours
soon.
Yours,
Lucy
was thinking
came
explained
went
was talking
希望这节复习课可以增强同学们学习英语的自信心，争取在之后的学习中取得更大的进步。
Learning English takes a lot of efforts, but don't give up. 学习英语需要付出很多努力，但不要放弃。