>>I have to work to people as long as my heart still beating.
(check)→ As long as my heart still beats, I will go on working for the people.
*(((HELP)))*→ Why here use "beats" instead of "beating"??
>>As long as the farer you leave them, the safer you will be.
(check)→As long as you can keep away from them, you're safe.
*(((HELP)))*→ well...my sentence have a different meaning from the original, right?
>>You can stay here as long as you want.
(check)→You may stay here as long as you like.
*(((HELP)))*→ Also the use of "want" in here is correct, right?