He is good pupil is he a good pupil? he isn't a good pupil. за этим образцом надо написать: 1)sam and jane are cousins. 2)my parents are happy. 3)her uncle is strong. 4)his brother is four. 5)kate is my sister.

1. Sam and Jane are cousins
Are Sam and Jane cousins?
Sam and Jane aren't cousins
2.My parents are happy
Are my parents happy?
My parents aren't happy
3.Her uncle is strong
Is her uncle strong?
Her uncle aren't strong
4.His brother is four
Is hir brother four?
Her brother isn't four
5.Kate is my sister
Is Kate my sister?
Kate isn't my sister