Don't or Doesn't
I like bananas
I don't like bananas
I am sad.
I am not sad.
You are beautiful.
You are not beautiful.
You speak Spanish very well.
You don't speak Spanish very well.
My brother is the best singer.
My brother is not the best singer.
Your sister cooks lasagna.
Your sister doesn't cook lasagna.
She walks in the park every morning.
She doesn't walk in the park every morning.
My friends are very funny.
My friends are not very funny.
My brother and I are playing video games.
My brother and I are not playing video games.
Céline Dion goes to bed very late.
Céline Dion doesn't go to bed very late.
Sydney Crosby and I are best friends.
Sydney Crosby and I are not best friends.
My car goes very fast
My car doesn't go very fast.
My brother and my sister love music.
My brother and my sister don't love music.
The president of the United States is very old.
The president of the United States is not very old.
Donald Trump has a lot of money.
Donald Trump doesn't have a lot of money.