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.
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