Поставьте данные предложения в форму множественного числа. 1. My friend has got a child. 2. He is a married man. 3. His wife usually takes their child to her grandmother. 4. A student works hard and does well in this subject. 5. His sister's knowledge is well.

1. My friend has got a child. - My friends have got children. 2. He is a married man. - They are married men. 3. His wife usually takes their child to her grandmother. - Their wives usually take their children to their grandmothers. 4. A student works hard and does well in this subject. - Students work hard and do well in these subjects. 5. His sister's knowledge is well. - His sisters' knowledge is well.