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