Conjugación del verbo inglés
MAY CONCENTRATE

Verbo regular: concentrate - concentrated - concentrated

Afirmación

Forma simple	Forma con V-ing
I may concentrate you may concentrate he may concentrate we may concentrate you may concentrate they may concentrate	I may be concentrating you may be concentrating he may be concentrating we may be concentrating you may be concentrating they may be concentrating
Perfecto	Perfecto con V-ing
I may have concentrated you may have concentrated he may have concentrated we may have concentrated you may have concentrated they may have concentrated	I may have been concentrating you may have been concentrating he may have been concentrating we may have been concentrating you may have been concentrating they may have been concentrating

Negación

Forma simple	Forma con V-ing
I mayn't concentrate you mayn't concentrate he mayn't concentrate we mayn't concentrate you mayn't concentrate they mayn't concentrate	I mayn't be concentrating you mayn't be concentrating he mayn't be concentrating we mayn't be concentrating you mayn't be concentrating they mayn't be concentrating
Perfecto	Perfecto con V-ing
I mayn't have concentrated you mayn't have concentrated he mayn't have concentrated we mayn't have concentrated you mayn't have concentrated they mayn't have concentrated	I mayn't have been concentrating you mayn't have been concentrating he 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	Forma con V-ing
may I concentrate? may you concentrate? may he concentrate? may we concentrate? may you concentrate? may they concentrate?	may I be concentrating? may you be concentrating? may he be concentrating? may we be concentrating? may you be concentrating? may they be concentrating?
Perfecto	Perfecto con V-ing
may I have concentrated? may you have concentrated? may he have concentrated? may we have concentrated? may you have concentrated? may they have concentrated?	may I have been concentrating? may you have been concentrating? may he have been concentrating? may we have been concentrating? may you have been concentrating? may they have been concentrating?

Forma interro-negativa

Forma simple	Forma con V-ing
mayn't I concentrate? mayn't you concentrate? mayn't he concentrate? mayn't we concentrate? mayn't you concentrate? mayn't they concentrate?	mayn't I be concentrating? mayn't you be concentrating? mayn't he be concentrating? mayn't we be concentrating? mayn't you be concentrating? mayn't they be concentrating?
Perfecto	Perfecto con V-ing
mayn't I have concentrated? mayn't you have concentrated? mayn't he have concentrated? mayn't we have concentrated? mayn't you have concentrated? mayn't they have concentrated?	mayn't I have been concentrating? mayn't you have been concentrating? mayn't he have been concentrating? mayn't we have been concentrating? mayn't you have been concentrating? mayn't they have been concentrating?