Question

 Поставьте предложения в отрицательную форму (Present Indefinite Tense)
1. Peter buys a morning newspaper every day.
2. They go to the seaside every summer.
3. It often  rains in summer. 
 4. He usually comes to his office at 9 o’clock.
 5. An academic group at the university usually consists of 20-25 students.
 6. The sun rises in the East.
 7. You prefer going to the forest. 
8. This professor delivers lectures at our University.
 9. We spend much time at the laboratory.
10.  I regularly answer all the letters

Answer 1

Peter doesn't buy
they don't go
it doesn't often rain
he doesn't often come
an academic group at the university doesn't usually consist
the Sun doesn't rise
you don't prefer
doesn't deliver
we don't spend
i don't regularly answer