Составьте предложения, используя оборот “to be going to”. 1. my parents (to go) to the south next year. 2. her mother (to buy) her a silver chain for her birthday. 3. we (to visit) you on monday. 4. when he (to write) a letter to his sister?

My parents are going to go to the South next year.
Her mother is going to buy her a silver chain for her birthday.
We are going to visit you on Monday.
When is he going to write a letter to his sister?