Поставьте предложения в вопросительную и отрицательную формы. There is library in

1. There is a library in the Institute.
Is there a library in the Institute?
There isnt a library in the Institute.
2. Her dress is more beautiful than mine.
Is her dress more beautiful than mine?
Her dress isnt more beautiful than mine.
3. The students wrote a test in English yesterday.
Did the students write a test in English yesterday?
The students didnt write a test in English yesterday.
4. They will visit relatives in Penza tomorrow.
Will they visit relatives in Penza tomorrow?
They will not visit relatives in Penza tomorrow.