Поставьте предложения в вопросительную и отрицательную формы. There is library in the institute Her dress is more beautiful

1. There is a library in the Institute. Is there a library in the Institute? There isn\'t a library in the Institute. 2. Her dress is more beautiful than mine. Is her dress more beautiful than mine? Her dress isn\'t more beautiful than mine. 3. The students wrote a test in English yesterday. Did the students write a test in English yesterday? The students didn\'t 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.