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.

My friends have got children
They are married men
Their wives usually take their children to their grandmothers
Students work hard and do well in these subjects
Their sisters' knowledge is well