Verbo regular: contribute - contributed - contributed
Afirmação
Forma simple
I may contribute you may contribute he may contribute we may contribute you may contribute they may contribute
Forma com V-ing
I may be contributing you may be contributing he may be contributing we may be contributing you may be contributing they may be contributing
Perfeito
I may have contributed you may have contributed he may have contributed we may have contributed you may have contributed they may have contributed
Perfeito com V-ing
I may have been contributing you may have been contributing he may have been contributing we may have been contributing you may have been contributing they may have been contributing
Negação
Forma simple
I may not contribute you may not contribute he may not contribute we may not contribute you may not contribute they may not contribute
Forma com V-ing
I may not be contributing you may not be contributing he may not be contributing we may not be contributing you may not be contributing they may not be contributing
Perfeito
I may not have contributed you may not have contributed he may not have contributed we may not have contributed you may not have contributed they may not have contributed
Perfeito com V-ing
I may not have been contributing you may not have been contributing he may not have been contributing we may not have been contributing you may not have been contributing they may not have been contributing
Forma interrogativa
Forma simple
may I contribute? may you contribute? may he contribute? may we contribute? may you contribute? may they contribute?
Forma com V-ing
may I be contributing? may you be contributing? may he be contributing? may we be contributing? may you be contributing? may they be contributing?
Perfeito
may I have contributed? may you have contributed? may he have contributed? may we have contributed? may you have contributed? may they have contributed?
Perfeito com V-ing
may I have been contributing? may you have been contributing? may he have been contributing? may we have been contributing? may you have been contributing? may they have been contributing?
Forma interro-Negação
Forma simple
may I not contribute? may you not contribute? may he not contribute? may we not contribute? may you not contribute? may they not contribute?
Forma com V-ing
may I not be contributing? may you not be contributing? may he not be contributing? may we not be contributing? may you not be contributing? may they not be contributing?
Perfeito
may I not have contributed? may you not have contributed? may he not have contributed? may we not have contributed? may you not have contributed? may they not have contributed?
Perfeito com V-ing
may I not have been contributing? may you not have been contributing? may he not have been contributing? may we not have been contributing? may you not have been contributing? may they not have been contributing?