kindly please correct my english grammar if it is correct or mistake.

how to use the word all.

1.all girls are beautiful.

2.all of them is really has a kind heart.

3.all peaple is good.

1 answer

Your use of "all" are all correct.

Sentences begin with a capital letter -- so 1. should be "All girls are beautiful."

Other corrections:
2. All of them really have a kind heart.
3. All people are good.