Past tense

Past tense is a kind of tense which is used to describe events or action that happened already in a certain time in the past.

The formula :

( With verb )

(+) Subject + verb 2 + complement

(-) Subject + did not + verb 1 + complement

(?) Did + subject + verb 1 + complement + ?

( Without verb )

(+) Subject + to be (was/were) + object + complement

(-) Subject + to be (was/were) + not + object + complement

(?) To be (was/were) + subject + object + complement + ?

NOTE :

·         Was is the past form from to be : is and am

·         Were is the past form from to be : are