Make the following interrogative and negative:
1My sister third-year student at the Mechanical Faculty.
2The students of our country have the best conditions for their study.
3There are very many libraries in our capital.
4It often snows in the British Isles in winter.

Negative
1My sister isn’t third-year student at the Mechanical Faculty.
2The students of our country don’t have the best conditions for their study.
3There aren’t very many libraries in our capital.
4 It doesn’t often snow in the British Isles in winter.
Interrogative
1 Is your sister third-year student at the Mechanical Faculty?
2Do the students of our country have the best conditions for their study?
3 Are there very many libraries in our capital?
4 Does it often snow in the British Isles in winter?