II. Поставьте предложения в вопросительную и отрицательную форму.

1. At last he has translated this article.

2. The new canal has irrigated the fields.

3. My brother has bought a loaf of bread.

4. The boy has brought the grass from the field and has given it to the goats.

 5. They have eaten a lot of fruit and have a stomach-ache.