English as an Additional Language/Simple past tense

The past tense signifies actions that were done in the past. Conjugating verbs to show the past tense is very easy in English, almost as easy as conjugating the present tense.

Past Tense
Regular verbs take the ending '-d' or 'ed' in the affirmative. The negative and interrogative are formed using did (past of the auxiliary verb do) together with the infinitive of the verb. The verb work is conjugated as follows:

Irregular verbs change their form in the past tense affirmative in a variety of ways. The past of go, for example, is went, of buy, bought, of keep, kept. As with the regular verbs, the negative and interrogative are formed using did together with the infinitive of the verb. The verb go is conjugated in the past tense as follows: