They were are( were, are ) nurses before Now, they are were( are, were ) doctors.
Mary was is are( was, is, are ) a manager when she was 25. Now, she is are was( is, are, was ) an entrepeuner
She was were( was, were ) in Spain when she was were is( was, were, is ) 20. Now, she is was were( is, was, were ) Ecuador
They were are are not( were, are, are not ) good friends before They are am were( are, am, were ) enemies now
Felipe and I were are was( were, are, was ) in USA for 4 years Today we are were( are, were ) in Spain
Mary was were is( was, were, is ) in the store at 8 o´clock, but she is was were( is, was, were ) at home now
Where were you a student before?
At Hardvard University
Yes, we were
Yes, of course
When was she a student?
Yes, she was
When she was 18
No, she was
Where were they yesterday?
In Miami
Yes, they were
No, they aren't
Was she a nurse?
In the hospital
In USA