Question

2. The scientist made a very useful invention.
3. Yesterday was a sunny day.
4. The vacuum flask is on the table.
5. Chetan writes novels.
6. Most of the people like eating out.
7. The watchman sleeps while he is on duty. change into negative​

Answer 1

Answer:

2. the scientist did not make a useful invention

Answer 2

Answer:

1.The scientist did not make a very useful invention.

2.Yesterday was not a sunny day.

3.The vacuum flask is not on the table.

4.Chetan does not write novels.

5.Most of the people do not like eating out.

6.The watchman does not sleep while he is on duty.