Past Tense

The  Simple Past Tense
Simple Past Tense is kind of tense which is used to describe an event or action that happened already in a certain time in the past.
Adverbs used: yesterday,last night ,last week,two days ago,a few minutes ago,last weekend ,last month ,last years,in 1995,etc
There are two pattern of Simple Past Tense :
1.( + ) Subject + verb II + complement
   ( -  ) Subject + did not + verb I + complement
   ( ?  ) Did + subject + verb I ?Nominal
2. ( + ) Subject + to be ( was/were ) + Object
    ( – ) Subject + to be ( was/were ) + Not + Object
     ( ? ) To be ( was/ were ) + Subject + Object ?


Past Continuonus Tense
Past Continuonus Tense is a kind of tense that is used to describe an event or an action which was happening in a certain in the past.
As with the present tense,the continuous aspect that the activity is in progress ,or that it is uncompleted ,at  the specified time.
The Pattern :
( +  ) Subject + to be ( was/were ) + verb – ing + complement
(  -  ) Subject + was not / were not + verb- ing + complement
( ?   ) Was/were + subject + verb-ing + complement ?

Past Perfect Tense
Past Perfect Tense is a kind of tense that is used to describe an action or an event that started in a certain time in the past and completed or finished till certain or an event that had happened before the other event or action happened.
The Pattern :
( + ) Subject + had + verb III + complement
( – ) Subject + had not + verb III + complement
( ? ) Had + subject + verb III + complement ?

Past Perfect Continuous Tense
Past Perfect Continuous Tense is like the past perfect tense ,but it  expresses longer actions in the past.
The Pattern :
( + ) Subject + Had + been + verb –ing + complement
( -  ) Subject + Had + not + been + verb-ing + complement
( ? ) Had + subject + been + verb –ing + complement ?