Помогите пож-та сделать упражнение по британскому языку.Refer the sentences to the

Помогите пож-та сделать упражнение по британскому языку.
Refer the sentences to the present, past or future.
1) Next week his family (come) to the capital of the Soviet Union.
2) Every summer Boris (help) his father to work in the garden.
3) The pupils of our class usually (have lunch) during the third break.
4) Last Sanday we (buy) a new wardrobe.
5) Granny (cook) supper now.