Question

Open the brackets
1)( to be) students usually on holidays in February?
2) The Browns (not/to be) present at the party next week. They ( to be)
3) Where ( to be) you yesterday? I (to be) at the cinema.
4) My sister (not/to be) at home now. She (to be) at work.
5) I (not/to be) tired. I ( to be) ready to continue working.

Answer 1

1. are.
2. won't be. забыли дописать предложение. 
3. were...was.
4. isn't..is.
5. am not.... am.