Isn't it? Is it? Have/used to have? Isn't it? No? Won't it?
No? Isn't it? t? It? This is a camera. ?
No? Isn't it? Test my car. ?
no
1be+be? Me? Is it? Not now/in the past/in the past
I'm not hungry.
I am not a programmer.
2be? Really? Will. +be? Really? will not
They are not playing chess.
She is not watching TV.
can,could,may,may,may,must,should? +can,could,may,might,must,should? no
She couldn't help laughing.
The old man can't read or write.