1. Simple past tense is a kind of tense which is used to describe an event or action that happened already in a certain time in past.
- The pattern :
(+) subject + verb II + complement
(-) subject + did not + verb II + complement
(?) did + subject + verb I

- The example :
(+) I went to Jakarta last week
(-) I did not go anywhere yesterday
(?) did you go last Sunday?

- Adverbs used :
Yesterday, last night, last week, two days ago, efew minutes ago, last weekend, last month, last year, in 1995, etc.

2. Past continous tense is a kind of tense that is used to describe an event or an action which was happening in a certain time in the past.
- The pattern :
(+) subject + was / were + verb-ing + complement
(-) subject + wasnot / werenot + verb-ing + complement
(?) was / were + subject + verb-i

- The example :
(+) she was reading a book at eight o’cloock last night
(-) she was not reading a book at eight o’cloock last night
(?) was she reading a book at eight o’cloock last night

- Adverb used
At the time like this yesterday, at seven o’cloock last night, etc.

3. Past perfect tense is a kind of tense that is used in describe an action or an event that or finished till in a certain time in the past too, or past perpect tense in uset do express an action or an action other event action happened.
- The pattern :
(+) subject + had + verb III + complement
(-) subject + had not + verb III + complement
(?) had + subject + verb III + complement

- The examples :
(+) we had played before teacher come
(-) they nad not eaten before we came
(?) had they eaten before we got back?

- Adverb used
From 1989 to 1981, once, twice, etc.