need

Yes.

http://dictionary.cambridge.org/define.asp?key=53241&dict=CALD

Hi

Need is a marginal modal auxiliary, that is, it can behave as if it were a modal (bare inf and without infection), but can be used as a main verb ( to inf ) too.
In your sentence, need is used in modal perfect form.

She need not have told him that = it was not necessary, but he told him that.

Incho's translation is more clear than mine. I edited mine. Have a look at that link.

Marius HancuIncho's translation is more clear than mine. I edited mine. Have a look at that link.

Incho's translation is more clear than mine.

Shouldn't you have used: Incho's translation is clearer than mine since the comparative of 'clear' is 'clearer'. ?

This has been discussed:

Both
more clear
and
clearer
are correct.

Marius HancuThis has been discussed:

Both
more clear
and
clearer
are correct.

Which is preferable? I've learned in school that it should clear, clearer, clearest.

This version is clear but that version is clearer.

This version is c