Поставьте предложения в вопросительную и отрицательную формы.

1) There are many students at the lecture today
2) There is a blackboard in front of the students desk
3) there are several kinds of the left
4) There is a window on the left
5) There are some tables on the wall

1. Are there many students......? There are not many students..... 2. Is there a blackboard......? There is not a blackboard..... 3. Are there several.....? There are not several.... 4. Is there a window....? There is not a window... 5. Are there any tables....? There are not any tables....