Past simple  Past continous

Past simple

We use the past simple to  express the idea that an action started and finished at a specific time in the past.

We finish the verbs with -ed except the irregular verbs.

Negative
We use didn't.      I/You/He/She/We/They didn't study and for this he failed the exam
Questions

We use the form of the verb to be did, and ever that there is a did, the next verb goes with present.

With irregular verbs we don't use did, just use the verbs in his past simple time

Did I/You/He/She/We/They go the the conference?

Frequency adverbs
always
 often
 usually
 never
 when I was a child
 when I was younger

Past continous

We use the past continous to say something that happened in a exactly moment.

Singular was
Plural were

I was playing a game
We were

• I was watching TV when she called.
• When the phone rang, she was writing a letter.
• While we were having the picnic, it started to rain.
• What were you doing when the earthquake started?
• I was listening to my iPod, so I didn't hear the fire alarm.
• You were not listening to me when I told you to turn the oven off.
• While John was sleeping last night, someone stole his car.
• Sammy was waiting for us when we got off the plane.
• While I was writing the email, the computer suddenly went off.
• A: What were you doing when you broke your leg?