Re: must vs. should vs. need

dorris26 wrote:
> hi all,
> 
> please tell me what's the difference in usage of these three verbs:
> "must", "should" and "need". which way is more convenient:
> - "he must do smth" / "it must to be done" / "i must do smth"
> - "he should do smth" / "it should be done" / "i should do smth"

I've responded to these already

> - "he needs to do smth" / "it needs to be done" / "i need to do smth"
> 
A necessity

None of them have anything to do with convenience.

Regards, Einde O'Callaghan