. Напишите следующие предложения в вопросительной и отрицательной формах:Образец: They are

 1. He is looking for the book which he lost. Is he looking for the book which he lost? He isnt looking         for the book which he lost.

2. The sky is getting very dark. Is the sky getting very dark? The sky isnt getting very dark.

3. They are laughing at what you said. Are they laughing at what you said? They arent laughing at          what you said.