We use the past simple to talk about:
-finished actions in the past, often with definite time.
-a series of finished actions in the past.
Affirmative and negative
| I/You/He/She/We/They | arrived | yesterday. | 
Question
| Did | I/you/he/she/we/they | arrive | yesterday? | 
Past form of regular verbs and irregular verbs
Some verbs have regular past forms and other verbs have irregular past forms.
To form the past simple of regular
				      verbs, add -ed to the infinitive.
				      When the infinitive ends in e add -d.
				      When the infinitive ends in y, the y changes to i and then add -ed.
			        
| Infinitive | Past simple | 
| finish | finished | 
| decide | decided | 
| study | studied | 
4. Pronunciation: Infinitive and past of irregular verbs.
Can you remember? Write the missing words to complete the table.
Now listen to the verbs, and practise saying them.
5. Past tense: Negatives.
The reporters didn't believe him.
Bill has a friend called Bruce. Bill is lucky, but Bruce isn't very lucky. Write sentences about Bruce.
For example:
Bill won a car. Bruce didn't win a car.
For more information about irregular verbs see the Grammar Reference.