Show me have and has concept

I have gone .she has gone.

use of have : I , We , you , they.(plural ) use of has : He , She, It.(singular ) example : I have a bag. She has a bag.

https://helloenglish.com/questions/121097/uses-of-has-have-had Please visit on the given link.

example = I have eaten. he has eaten.

i have two brother. he has a sister.