Поставьте предложения в отрицательную и вопросительную форму. 1. nick is watching t.v. now. 2. they are having dinner now 3. the students are answering their teacher's questions. 4. my daughter is playing the piano now 5. they are discussing the terms of delivery. 6. it's getting dark now. 7. it's getting cold now. 8. they are having an english lesson now. 9. our children are playing computer games now.