My mum... (be/not) friendly.
is
John ... (be/not) shy.
isn't/is not
Kate and Anna ... sporty.
are
Moje ołówki są czarne i żółte.
My pencils are black and yellow.
On nie jest pomocny.
He isn't helpful.
What ... (be) your surname?
is
To jest czerwony ołówek.
It is a red pencil.
My name ... (be) Martha.
is
I ... kind.
am
We ...(be/not) clever.
aren't/are not
Ewa i Kasia są ciche.
Ewa and Kasia are quiet.
Andrzej nie ma 10 lat.
Andrzej isn't ten.