Jawaban:

isn't :

The weather isn't very good today.

She isn't coming to the meeting.

This isn't the right answer.

He isn't feeling well.

The book isn't very interesting.

aren't :

My friends and I aren't going to the concert tonight.

The stores aren't open yet.

These shoes aren't comfortable.

They aren't planning to travel this summer.

Our neighbors aren't home right now.

am not :

I am not hungry, thank you.

I am not ready to leave yet.

I am not a fan of horror movies.

I am not going to the park today.

I am not interested in buying a new car.