Verbo regular: concentrate - concentrated - concentrated
Afirmação
Forma simple
I may concentrate you may concentrate she may concentrate we may concentrate you may concentrate they may concentrate
Forma com V-ing
I may be concentrating you may be concentrating she may be concentrating we may be concentrating you may be concentrating they may be concentrating
Perfeito
I may have concentrated you may have concentrated she may have concentrated we may have concentrated you may have concentrated they may have concentrated
Perfeito com V-ing
I may have been concentrating you may have been concentrating she may have been concentrating we may have been concentrating you may have been concentrating they may have been concentrating
Negação
Forma simple
I mayn't concentrate you mayn't concentrate she mayn't concentrate we mayn't concentrate you mayn't concentrate they mayn't concentrate
Forma com V-ing
I mayn't be concentrating you mayn't be concentrating she mayn't be concentrating we mayn't be concentrating you mayn't be concentrating they mayn't be concentrating
Perfeito
I mayn't have concentrated you mayn't have concentrated she mayn't have concentrated we mayn't have concentrated you mayn't have concentrated they mayn't have concentrated
Perfeito com V-ing
I mayn't have been concentrating you mayn't have been concentrating she mayn't have been concentrating we mayn't have been concentrating you mayn't have been concentrating they mayn't have been concentrating
Forma interrogativa
Forma simple
may I concentrate? may you concentrate? may she concentrate? may we concentrate? may you concentrate? may they concentrate?
Forma com V-ing
may I be concentrating? may you be concentrating? may she be concentrating? may we be concentrating? may you be concentrating? may they be concentrating?
Perfeito
may I have concentrated? may you have concentrated? may she have concentrated? may we have concentrated? may you have concentrated? may they have concentrated?
Perfeito com V-ing
may I have been concentrating? may you have been concentrating? may she have been concentrating? may we have been concentrating? may you have been concentrating? may they have been concentrating?
Forma interro-Negação
Forma simple
mayn't I concentrate? mayn't you concentrate? mayn't she concentrate? mayn't we concentrate? mayn't you concentrate? mayn't they concentrate?
Forma com V-ing
mayn't I be concentrating? mayn't you be concentrating? mayn't she be concentrating? mayn't we be concentrating? mayn't you be concentrating? mayn't they be concentrating?
Perfeito
mayn't I have concentrated? mayn't you have concentrated? mayn't she have concentrated? mayn't we have concentrated? mayn't you have concentrated? mayn't they have concentrated?
Perfeito com V-ing
mayn't I have been concentrating? mayn't you have been concentrating? mayn't she have been concentrating? mayn't we have been concentrating? mayn't you have been concentrating? mayn't they have been concentrating?