1. Was it cold yeaterday?
It wasn't cold yesterday.
2. Was she at the party?
She wasn't at the party.
3.Was I happy?
I wasn't happy.
4. Were there two books in the bag?
There weren't two books in the bag.
5. Were we at the lesson?
We weren't at the lesson.
6.Did it take us 20 minutes to write the letter?
It didn't take us 20 minutes to write the letter.
7. Did it take her much time to find the book?
It didn't take her much time to find the book.
Had to
Needn't
Mustn't
Should
Mine
Her
Yours
1
2
1
2