Unit 5 Section A Grammar语法教学课件2024-2025学年人教版八年级英语下册Unit 5 What were you doing when the rainstorm cam

(共23张PPT)
SectionA Grammar
Learning Aims 学习目标
1 、Master the usage of past progressive tense; 掌握过去进行时的用法；
2 、Use "while"and "when"correctly. 正确使用while和when.
What are we doing now
A BCD F Present
Progressive Tense
(现在进行时)
We are having an English class.
Do you remember
What were you doing at seven last night
—What was Alice doing at that time
—She was reading a book.
Alice
Do you remember
What were you doing at seven last night
Bob —What was Bob doing
—He was doing his
homework.
Do you remember
What were you doing at seven last night
Lucy and Eric —What were Lucy and Eric
doing
—Maybe they were talking.
Do you remember
What were you doing at seven last night
—What were Ms.Sun and
the students doing
—We were discussing some questions.
They were talking
We/You/They +were+V.ing
They were talkin Pa ：nse
Sh a e 主语+was/were+V.ing.
I/He/She/It+was+V.ing
the E
his h
ng
ng
i
i
d
o
a
d
r
s
was
e w
e
H
构
Te
过去进行时结
st Progressive
We were discussing some questions
study studying run running take taking
lie_ lying swim swimming fight fighting
cut cutting die dying do_doing
Sb.+was/were+V.ing
一 般 情 况 ： 以不发音的字母e结
V+ing 尾：&+ing
以重读闭音节结尾，末 尾只有一个辅音字母：
双写辅音字母+ing
以ie结尾：
变ie为y+ing
What were other people doing
Alice was reading a book. while They wer l eping the
Bob was doing his homework. while Linda was listening to music
Mike came in. while We were discussing questions.
oor
swe
f
e
Bob was doing his homework while Linda was listening to the music.
Alice was reading a book while they were sweeping the floor.
Mike came in while we were discussing questions.
while +sb.was/were +V.ing.
Lucy and Eric were
talking.
Cindy left the school.
What were other people doing
We were discussing
questions.
Mary closed the
window.
Frank turned on the
light.
Bob was doing his
homework.
when
when Bob was doing his homework when Frank turned on the light.
Mary closed the window when Lucy and Eric were talking.
We were discussing questions when Cindy left the school.
when +sb.+Ved(动词过去式)
When+Sb.was/were +V.ing
Bob was doing his homework when Frank turned on the light.
Mary closed the window when Lucy and Eric were talking.
We were discussing questions when Cindy left the school.
When sb.+V.ed/when+sb.was
/were V.ing
when 既可连接延续性动词也可连接 非延续性动词(表示瞬间完成的动 作，无法持续)
Alice was reading a book while they were sweeping the floor.
Bob was doing his homework while Linda was listening to the music.
Mike came in while we were discussing questions.
While sb.was/were +V.ing. while后连接延续性动词(可以持 续一段时间的动作或状态)
When do we use "when"and when do we use "'while''
F
小抖 雍正英语 私塾
抖音号：20443589054
Q 和朕学英语
学会区分 延续性 动词 和 非延续性 动词
Alice was reading a book while they were sweeping the floor.
Bob was doing his homework while Linda was listening to the music.
当主句和从句的动作同时发生，且都是进行时态
时，只能用while !!!
when 后可长亦可短
(when+ 延续性动词/非延续性动词)
while 后面只可长
(while 只能+延续性动词)
若是两边都为长
中间while 来帮忙
(若两边都是进行时，只能用while)
00
记住口诀：
(1)含义 过去某一时刻
正在进行的动作。
(2)结构
主语+ was/were+V-ing
(3)否定句
主语+was/were +not+v.-ing…
Summary 总结 过去进行时
或 某一段时间
过去
进行时
表示在
过去进行时句型结构
(4)一般疑问句
Was/Were+ 主语+v.-ing..
(5)特殊疑问句
特殊疑问词+was/were(+ 主 语 ) +v.-ing…
过去
进行时
过去进行时标志词
at that time /at eight last night/from...to...
at this time yesterday(morning/afternoon)
the whole day/all day yesterday
when/while 引导的时间状语从句等
Translate the poem 翻译古诗
The
Wish you all to study hard and
have a nice future!
to s . cad,
fori vaiuing ,
where wider views(更广阔的视野)would spread.
Poet (诗人): Wang Zhihuan
What were you doing at eight last night I was taking a shower.
What was she doing at the time of the rainstorm She was doing her homework. What was he doing when the rainstorm came He was reading in the library when the rainstorm came. What was Ben doing when it began to rain heavily When it began to rain,Ben was helping his mom make dinner. What was Jenny doing while Linda was sleeping While Linda was sleeping,Jenny was helping Mary with her homework IOv ioiil IC night before. A:What were you doing at nine n'1、11nct Cndov morninα2
Look at the table and write sentences with both while and when.
Grammar
Focus
.
you for listening !
入
Thank