Has and have are different forms of the verb to have.
Have us used when the subject is I or you.
I have a cold. You have two brothers.
Have is also used with plural subjects.
We have a book about dinosaurs.
Roberto and Chiara have a baby sister.
They have a yellow house. Both cars have flat tires.
Has is used when there is a single subject like he, she, or it.
She has blonde hair. The librarian has a cheerful smile.
A male deer has antlers.
Have us used when the subject is I or you.
I have a cold. You have two brothers.
Have is also used with plural subjects.
We have a book about dinosaurs.
Roberto and Chiara have a baby sister.
They have a yellow house. Both cars have flat tires.
Has is used when there is a single subject like he, she, or it.
She has blonde hair. The librarian has a cheerful smile.
A male deer has antlers.