Сокращенная форма глаголов. 1) he has got a book 2) he is from Russia 3) I am not his friend 4) they have got a house 5) we are at school

1)he has got a book=he’s got a book 2)he is from Russia=he’s from Russia 3)I am not his friend=I amn’t his friend 4)they have got a house=they’ve got a house 5)we are at school=we’re at school