a matter of records

a matter of course

no matter how hard I try

no matter how/what/when/where/which

as a matter of course

no matter what comes

as a matter of form we put on record ...

It matters

Matters had reached such a pitch that

Matters have come to such a pass that

Matters jog along somehow

Maverick was known as a serious daredevil, but he learned to control his impulses and became a better pilot.

maximal

maximum bit

up to a maximum of EUR 500

I may have to go home soon.

May I walk you home?

May she be ever so beautiful

May I go?

May I drive you home?

May I introduce Mr Miller to you?

It may be used

May I rely on it?

May you always have a hand’s width of water under your keel

If I may be of any use to you ...