Напишите последующие предложения:а) ВО МНОЖЕСТВЕННОМ ЧИСЛЕ.1. My cousin is a ships

Напишите последующие предложения:
а) ВО МНОЖЕСТВЕННОМ ЧИСЛЕ.
1. My cousin is a ships broker.
2.This student attends evening classes.
3. He has a brother.
4.There is a dictionary on the desk.
b) В ЕДИНСТВЕННОМ ЧИСЛЕ.
1. They are basy.
2. Those people work in our company.
3.There are a lot of museums in our city.