They are dogs.
(They're) dogs.
No, it is not.
No, (it's) not. OR No, it (isn't).
I am Doraemon.
(I'm) Doraemon.
They are cats.
(They're) cats.
No, they are not.
No, (they're) not. OR No, they (aren't).
What is the time?
(What's) the time?
No, I do not.
No, I (don't).
There is 1 fish.
(There's) 1 fish.
What is your name?
(What's) your name?
How is the weather?
(How's) the weather?
They are fish.
(They're) fish.
No, I can not.
No, I (can't).