Помогите пожалуйста!!!Запишите все предложения в вопросительной и отрицательной форме....

Question

Помогите пожалуйста!!!
Запишите все предложения в вопросительной и отрицательной форме. Подчеркнуть в каждом из них глагол-сказуемое и определите его видовременную форму и залог.

1.Currently they are expanding their business in Europe.
2. The delegation on Finnish builders has arrived in the city today.
3. We have assumed that nobody will buy any chocolate when the price is more than $2 per bar.
4. What contract were they discussing at 11 a.m. yeasterday.

Answer 1

1. Currently they are expanding (Present Continuous Active) their business in Europe. Are they expanding their business in Europe currently?
Currently they aren't expanding their business in Europe.
2. The delegation of Finnish builders has arrived (Present Perfect Active) in the city today. 
Has the delegation of Finnish builders arrived in the city today?
The delegation of Finnish builders hasn't arrived in the city today.

3. We have assumed (Present Percet Active) that nobody will buy (Future Simple Avtive) any chocolate when the price is (Present Simple Active) more than $2 per bar. Will nobody buy any chocolate when the price is more than $2 per bar?

4. What contract were they discussing (Past Continuous Active) at 11 a.m. yesterday. 
They were discussing a new contract at 11 a.m. yesterday.
They weren't discussing a new contract at 11 a.m. yeasterday.