【最新】牛津译林版八年级英语上册Unit 8 Natural disasters Grammar 精品课件

2. 在过去某段时间一直在进行的动作
e.g. a) From 1983 to 1998, he was teaching
at Yale.
b) They were building a dam last winter.
Make sentences.
1. at 9 o’clock last Sunday 2. at this time yesterday 3. from 7a.m. to 6 p.m. last Monday 4. at that time • watch TV
She was drinking milk at this time yesterday.
She was playing computer games at that time.
He was reading newspaper from 10 to 11 yesterday morning.
Can you work out the rule?
They were doing morning exercises at 9:05 yesterday morning. They were playing basketball at this time last Sunday. He was drinking milk at this time yesterday.
Tom was playing football. What was Lucy doing at 2:30 p.m. yesterday?
Lucy was reading a book.
What were they doing from 6 to
8 last night? They were watching TV from 6 to 8. What were the twins doing at this time yesterday?
• read books • practise swimming • watch the parade 5. from 9 to 10 last night • make cakes
过去进行时的句式 1) 基本结构：was/were + Ving
2) 肯定句: 主语 + was/ were + Ving
The twins were think ing.
What were they doing?
They were doing morning exercises at 9:05 yesterday morning.
They were playing basketball at this time last Sunday.
What is Tom doing? Tom is playing football. What is Lucy doing? Lucy is read ing a book.
Present continuous tense be (am/is/are) + verb-ing
What was Tom doing at that moment?
3) 否定句：was/were not + Ving was not = wasn’t
were not = weren’t
4) 疑问句：将 was/were 移到主语
前
5) 特殊疑问句：疑问词 +
was/were +主语 + Ving …?
Was she talking at that time? No, she was not talking at that time.
I was playing computer games
at that time. She was reading newspaper from 10
to 11 yesterday morning.
Past continuous tense
be (was/were) + verb-ing
1. 过去进行时主要表示在过去某一时刻正 在进行的动作。 e.g. a) They were eating breakfast at 7:00 am yesterday. b) I was writing a letter at this time yesterday. c) Five minutes ago, Danny was looking out of the window and Suzy was reading a book.刻或某
一段时间内正在进行或发生的动作。
形式为was /were + V-ing。
常与表示过去的时间状语连用，如：
last night, last Saturday等；或者与
when, while, as引导的过去时间状语连
用。
I You / We / They He / She /It
you / were. we / they he / she was. / it
No,
you / we weren’t. / they he / she wasn’t. / it
A snowstorm hit Sunshine Town. Mr. Wu is asking the students about it.
Complete their conversation with
Were they teaching English? No, they were not teaching English.
We use the past continuous tense
to talk about things that were
happening at a particular time in
was (not) were (not)
was (not) sleeping at 10 p.m. last night.
Was
I
Were
Was
you / we / they
he / she / it
at 10 p.m. sleeping last night?
I
was.
I
wasn’t.
Yes,