Question

Cкажите, что это не так
1.I shall wear my red jacket
2.The boys will visit their grandfather
3.We shall visit them next week
4.Ann will have lunch at home
5.Sam will give you the game

Answer 1

вроде так
в современном языке will потихоньку выместил shall. Однако ранее для 1 лица ед. и мн.числа глагол всегда shall 

Answer 2

1I shan't wear my red jacket.
2The boys won't visit their grandfather.
3We shan't visit them next week.
4Ann won't have lunch at home.
5Sam won't give you the game.