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one day的用法总结

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一般过去时

one day的用法总结

1、概念:过去某个时间里发生的动作或状态;过去习惯性、经常性的动作、行为。

2、时间状语:ago,yesterday,the day before yesterday,last week,last(year,night,month…),in,just now,at the age of 5,one day,long long ago,once upon a time,etc.

3、基本结构:be动词;行为动词的过去式

4、否定形式:was/were+not;在行为动词前加didn't,同时还原行为动词。

5、一般疑问句:was或were放于句首;用助动词do的过去式did 提问,同时还原行为动词。

6、例句:She often came to help us in those days.

I didn't know you were so busy.

7、用法

(1)一般过去时表示过去的动作或状态,一般过去时通常与表示过去的时间状语连用。

与一般过去时连用的'时间状语有:yesterday,last night(week,year,month,Sunday),then,at that time,at that moment,just now,a few days(weeks,months,years) ago等。例句:

Lucy turned off all the lights before she went out.

出门前露茜关了所有的灯。

(2)一般过去时也可以与today,this week(month,year)等时间状语连用,但这些时间状语应指过去。如:

Did you see him today? 你今天见他了吗?(today指今天已过去的某一时刻)

(3)一般过去时还可以和for或since引导的时间状语连用。如:

I stayed there for two months. 我在那里呆了两个月。

Nothing happened since then. 打那以后什么事都没有发生。