新概念英语第一册第2版23-02

Lesson 67 The weekend

一般过去时

一表示过去某个点上特定的时间存在的状态，事实，或发生的动作。

二表示在过去的一段时间内经常发生的动作或反复的习惯。

was, were

wasn't, weren't

two years ago 两年以前

three days ago 三天以前

five years ago 五年以前

two minutes ago

four weeks ago

last year

last month

last Sunday

I was a student two years ago.

I wasn't a student two years ago.

Were you a student two years ago?

yesterday

I was at the butcher's yesterday.

Mrs. Williams

Mrs. Williams was at the greengrocer's three days ago.

just now 刚才

Were you at the butcher's just now?

Were you at the greengrocer's just now?

absent

be absent from school

be absent from work

Jimmy was absent from school last week.

They were absent from work last week.

He was absent from school on Monday, Tuesday, Wednesday, and Thursday.

v 动词的过去时态

go -> went

I went there yesterday.

did, didn't

I didn't go there yesterday.

Did you go there yesterday? Yes, I did. No, I didn't.

What do you do every day?

What do they do every day?

What does she do every day?

What did you do yesterday?

动词的过去式变化

规则变化

ask, jump, wait

1 一般的动词后面直接加-ed

清辅音后面加ed，读[t]

浊辅音或元音后面加ed，读[d]

asked

jumped

cleaned

lied

waited

2 单词末尾是e的直接加d

believe, argue, waste

believed, argued, wasted

3 单词是以短元音加一个辅音结尾，这个辅音要双写加ed

c, e, a, i

chat, stop, beg, fit

chatted

stopped

begged

fitted