Поставьте предложения в отрицательную и вопросительную форму. Переведите. 1) He is reading an interesting book. 2) Shes been working for this firm since 1991. 3) The growing population is changing the ecology. 4) The work will have been done by the end of the month. 5) Two new schools are being built in our district.

1 isnt
2 hasnt been
3 isny
4 wont have been
5 arent being

1 is he
2 has she been
3is the growing
4 will the work have been
5 are two new schools