【初中英语】判断时态，关键是抓住时态特征:

1. 一般现在时:
always, usually, often, sometimes, every week (day, year, month„), once a week, etc.

2.一般过去时:
ago, yesterday, the day before yesterday, last week(year, night, month), etc.

3.一般将来时:
tomorrow, next day(week, month, year),soon, in a few minutes等。

4.过去将来时:
the next day(morning, year),the following month(week),etc.

5.现在进行时:
now, at this time, these days, etc.

6.过去进行时:
at this time yesterday, at that time或以when引导的谓语动词是一般过去时的时间状语等。

7.现在完成时:
just, already, yet, before, ever, recently

8.过去完成时:
before, by the end of last year(term, month),etc.