No, they weren’t.
No, they haven’t.
Jennifer didn’t finish her homework.
Jennifer hasn’t finished her homework.
It didn’t rain for a long time.
It hasn’t rained for a long time.
Who finished the homework?
Who has finished the homework?
He was a teacher.
He has been a teacher.
Were you in jail? _
Have you been in jail?
Mrs. Smith didn’t read the book
Mrs. Smith hasn’t read the book.
I saw a penguin.
I have seen a penguin.
Where were they?
Where have they been?
. I didn’t clean my room
I haven’t cleaned my room
Did they eat breakfast?
Have they eaten breakfast?
Was she sick?
Has she been sick?
Did they meet the president?
Have they met the president?
Did he swim in the ocean?
Has he swum in the ocean?
Did Roberto visit Vancouver?
Has Roberto visited Vancouver?
Yes, he did.
Yes, he has.
No, we didn’t
No, we haven’t.
What did he do?
What has he done?
They didn’t arrive.
They haven’t arrived.
We lived here for a year.
We have lived here for a year.