1) you are allowed to/you can do it c)it’s OK; you’re permitted to do it
2)you aren’t allowed to/you can’t do it e)it’s not permitted
3)you don’t have to do it a) it’s not necessary to do it
4)you mustn’t do it g)it’s wrong, dangerous, or not permitted
5)you should do it b)it’s the correct, right thing to do
6)you have to do it d)it’s necessary
7)you shouldn’t do it f)it’s not the right thing to do