I sometimes get stuck with the usage of each in some contexts like the following. I myself have written some contexts in the following. Please check if I have used each grammatically and in appropriate place in the following contexts.
#1 "Thoughts of each person in/of the world are totally different form/than one to anther."
Or #2 "Thoughts of each in/of the world are totally different from/than one to another."
#3 "Each person of a country has various thoughts."
Or #4 "Each of a country has various thoughts."
#5 "We each should be aware that we are at risk."
Or #6 "Each of us should be aware that we are at risk."
Note if there any other mistakes in my writing, I kindly request to let me know.
Remember - if you don't use correct capitalisation, punctuation and spacing, anything you write will be incorrect.