I wore a uniform at my old school.
I didn't wear a uniform at my old school.
The teacher gave us a lot of homework today.
The teacher didn't give us a lot of homework today.
A: (Where / you / do) your homework yesterday? B: In the library.
A: Where did you do your homework yesterday? B: In the library.
A: Did you meet Jack after school? B: No, (I / not)
A: Did you meet Jack after school? B: No, I didn't.
A: (Where / you / be) on Saturday? B: I was with my friend.
A: Where were you on Saturday? B: I was with my friend.
We saw that film at the cinema last month.
We didn't see that film at the cinema last month.
My brother was in the school office this morning.
My brother wasn't in the school office this morning.
A: (What mark / Sam / get) in his exam last week? B: Eighty-five percent!
A: What mark did Sam get in his exam last week? B: Eighty-five percent!
A: (Molly / win) the competition? B: Yes, she did.
A: Did Molly win the competition? B: Yes, she did.
The dictionaries were on the bookshelf.
The dictionaries weren't on the bookshelf.