Past Tense

Regular verbs

Affirmative

+ed

Negative

didn't + base verb

Interrogative

Did+Subj+base verb...?

Answers: Yes, I did./ No, I didn´t.

Past tense expressions

Yesterday

The day before yesterday

Last ....

Ago

in 2008

when I was a child.

Irregular verbs

Affirmative

Second column

Negative

didn't + base verb

Interrogative

Did+Subj+base verb...?

Answers: Yes, I did./No I didn´t