Rules of Simple Past

The simple past is used to describe:

• finished events in the past.

• unfinished events in the past.

• unfinished events happening at the moment of speaking.

To form the simple past in the REGULAR verbs, the rule is:

• add ED at the end of the verb.

• There is no rule to form regular verbs to the past.

• add D to the end of the verb.

To form the simple past in IRREGULAR verbs, the rule is:

• There is no rule to form irregular verbs.

• add ED at the end of the verb

• add D at the end of the verb.

To form the AFFIRMATIVE in the simple past, we use:

• Subject + verb in the past + complement

• Verb in the past + subject + complement

• Subject + object + verb in the past + complement

To form the NEGATIVE in the simple past, we use

• Subject + DID NOT (DIDN'T) + verb in the infinitive + complement

• Subject + DID NOT (DIDN'T) + verb in the past + complement

• Subject + DO NOT (DON'T) + verb in the past + complement

To form the INTERROGATIVE in the simple past, we use:

• DID + subject + verb in the infinitive + complement

• DID + subject + verb in the past + complement

• DID + verb in the infinitive + subject + complement

I really ___________ for the test last week.

• didn't study

• didn't studied

• don't studied

________ you _________ the homework?

• Did / do

• Did / did

• Do / did