did, didn't past simple

NEGATIVE SENTENCES IN PAST SIMPLE.

We use didn't (did not) to make a negative sentence in the past tense.
This is for regular AND irregular verbs.
Except TO BE and MODAL verbs.

Compare:
Present: They don't live in Canada.
Pas: They didn't live in Canada.

Present: He doesn't speak Spanish.
Past: He didn't speak Spanish.

Examples of negative sentences in the past tense.

I didn't want togo to the dentist.
You didn't have time.
He didn't close the door.
She didn't come to my party.
We didn't study English.

Questions in the past time.

We use did to make a question in the past tense.
This is for regular regular AND irregular verbs.

Did he go to the beach?
Did they work on Sunday?
Did you eat my cake?

COMPARE:

AFFIRMATIVE  FORM	NEGATIVE FORM	INTERROGATIVE FORM
I lived	I did not live	Did I live?
You lived	You didn't live	Did you live?
He/she/it lived	He/she/it didn't live	Did he/she/it live?
We lived	We didn't live	Did we live?
You lived	You didn't live	Did you live?
They lived	They didn't live	Did they live?

       -did not = didn't ( short form)                -ed disappears at the negative and interrogative form 

ACTIVITIES:

ACTIVITY 1

ACTIVITY 2