|Simple||Yesterday||Completed Action||We visited a school yesterday|
|2 minutes ago||Completed Condition||Weather was rainy last Sunday|
|Last friday||Series of Completed Action||I finished work, walked to the beach, and met Amit.|
|If I joined..||Duration in Past||
I lived in Brazil for five years.
|Habits in Past||
I studied English when I was a child.
He visited his parents every weekend.
|Past facts or Generalization||
He didn't like tomatoes before.
People paid much more to make cell phone calls in the past.
When I paid her one dollar, she answered my question.
|If Clause||If I had a lot of money, I would share it with you.|
|Action in the past taking place in the middle of another action||When I was having breakfast, the phone suddenly rang.|
|After and Before clause||
After Anil ate dinner, he went to school.
The students arrived in class before the teacher
|Used to||I used to keep cat when I was a kid.|
|Progressive||When||Interrupted action in the past||
I was watching TV when she called.
While I was writing the email, the computer suddenly went off.
|While||Specific time as Interruption||
Last night at 6 PM, I was reading book.
|As long as||Parallel Actions||
I was studying while he was making dinner.
|Atmosphere||When I walked into the office, some employees were busily typing, some were talking on the phones and the boss was giving directions.|
|Repetition and irritation with always||
He was constantly talking. He annoyed everyone.
|Past Perfect||Already||action taking place before a certain time in the past||Before I came here, I had spoken to Jack.|
|Just||Completed action before something in past||
I did not have any money because I had lost my wallet.
Kristine had never been to an opera before last night.
|Never||Duration before something in past||
They felt bad about selling the house because they had owned it for more than forty years.
|Not yet||May use specific time words and phases||
She had visited her in-laws once in 1993 before she moved in with them in 1996.
She had never seen a bear before she moved to Alaska.
|Once||Type III conditional||If I had seen him, I would have talked to him.|
|If I had talked..|
|Past Perfect Continuous||For||
action taking place before a certain time in the past
They had been talking for over an hour before Tony arrived.
Mike wanted to sit down because he had been standing all day at work.
|The whole day||
puts emphasis on the course or duration of an action
|When the teacher arrived, I had been waiting almost 10 minutes.|
|All Day||Cause of something in Past||
Anil gained weight because he had been overeating.
Anil was tired, as he had been running for 10 minutes.