Conjugación del verbo inglés
MAY CONTRIBUTE

Verbo regular: contribute - contributed - contributed

Afirmación

Forma simple	Forma con V-ing
I may contribute you may contribute she may contribute we may contribute you may contribute they may contribute	I may be contributing you may be contributing she may be contributing we may be contributing you may be contributing they may be contributing
Perfecto	Perfecto con V-ing
I may have contributed you may have contributed she may have contributed we may have contributed you may have contributed they may have contributed	I may have been contributing you may have been contributing she may have been contributing we may have been contributing you may have been contributing they may have been contributing

Negación

Forma simple	Forma con V-ing
I mayn't contribute you mayn't contribute she mayn't contribute we mayn't contribute you mayn't contribute they mayn't contribute	I mayn't be contributing you mayn't be contributing she mayn't be contributing we mayn't be contributing you mayn't be contributing they mayn't be contributing
Perfecto	Perfecto con V-ing
I mayn't have contributed you mayn't have contributed she mayn't have contributed we mayn't have contributed you mayn't have contributed they mayn't have contributed	I mayn't have been contributing you mayn't have been contributing she mayn't have been contributing we mayn't have been contributing you mayn't have been contributing they mayn't have been contributing

Forma interrogativa

Forma simple	Forma con V-ing
may I contribute? may you contribute? may she contribute? may we contribute? may you contribute? may they contribute?	may I be contributing? may you be contributing? may she be contributing? may we be contributing? may you be contributing? may they be contributing?
Perfecto	Perfecto con V-ing
may I have contributed? may you have contributed? may she have contributed? may we have contributed? may you have contributed? may they have contributed?	may I have been contributing? may you have been contributing? may she have been contributing? may we have been contributing? may you have been contributing? may they have been contributing?

Forma interro-negativa

Forma simple	Forma con V-ing
mayn't I contribute? mayn't you contribute? mayn't she contribute? mayn't we contribute? mayn't you contribute? mayn't they contribute?	mayn't I be contributing? mayn't you be contributing? mayn't she be contributing? mayn't we be contributing? mayn't you be contributing? mayn't they be contributing?
Perfecto	Perfecto con V-ing
mayn't I have contributed? mayn't you have contributed? mayn't she have contributed? mayn't we have contributed? mayn't you have contributed? mayn't they have contributed?	mayn't I have been contributing? mayn't you have been contributing? mayn't she have been contributing? mayn't we have been contributing? mayn't you have been contributing? mayn't they have been contributing?