1) He is a good cook.
(He's a good cook).
2) It is cold, it is not happy.( O кошечке). = It's cold. It's not happy.
She is cold, she is not happy. (O девочке).= She's cold, she isn't happy.
3) We can see a big boat. (He and I can see a big boat.)
4) He is a grandad. = (He's a grandad.)