文档介绍：Lesson5
The Past Tense
一般过去时
表示过去某一时间所发生的动作或存在的状态。
yesterday（昨天）, last week（上周）, before（以前） , just now（刚才） , last month（上个月）, last year（去年）, two months ago（两个月前）, long long ago (很久以前)，the day before yesterday（前天），in 1990（在1990年）, in those days（在那些日子里） at the age of 5 (在5岁时)等。
一般过去时
am , is 过去式 was
否定式 was not / wasn’t
are 过去式 were
否定式 were not /weren’t
They are young.
They are not young .
Are they young ?
Yes, they are .
No, they aren’t
I am a teacher.
I am not a teacher.
Are you a teacher?
Yes, I am. No, I am not.
We are happy.
We are not happy.
Are you happy?
Yes ,we are. No, we aren’t.
I was ten last year.
I wasn’t ten last year.
Were you ten last year?
Yes ,I was .No ,I wasn’t.
They were young, then.
They weren’t young, then.
Were they young, then?
Yes ,they were. No, they weren’t.
We were old then.
We weren’t old then.
Were you old then?
Yes ,we were. No, we weren’t.
1. I am a teacher now.
I was a student ten years ago.
2. She is a doctor now.
She was a teacher last year.
You are a farmer.
You were a worker.
am , is 过去式 was 否定式 was not / wasn’t
are 过去式 were 否定式 were not /weren’t
They are young.
They were young, then.
I am twelve.
I was eleven last year.
He is cute.
He was cute, then .
She is tall.
She was short, then.
It is thin.
It was fat, then.
We are happy.
We were sad, yesterday.
They are young.
They are not young .
Are they young ?
Yes, they are .
No, they aren’t.
They were young, then.
They were not young, then.
Were they young,then?
Yes they were.
No they weren’t.
I am a teacher.
I was a teacher before
She is ten years old.
She was ten years old the day before yesterday
They are happy.
They were very happy just now
He is at home.
He was at home three hours ago
We are good friends.
10. We were good friends in 1990
She was in China last year.
She wasn’t in China last year.
W