1.
might as well
Having the car repaired will cost us a fortune. We might as well buy a new car.
You might as well do your responsibility.
2.
may as well
Subway bread has an ingredients list that may as well be a mile long.
Anglais mot "równie dobrze może"(may as well) se produit dans des ensembles:
słownictwo speak up 7 - 35/4