Verbo regular: contribute - contributed - contributed
Indicativo
Presente
do I contribute? do you contribute? does she contribute? do we contribute? do you contribute? do they contribute?
Presente contínuo
am I contributing? are you contributing? is she contributing? are we contributing? are you contributing? are they contributing?
Pretérito
did I contribute? did you contribute? did she contribute? did we contribute? did you contribute? did they contribute?
Preterito contínuo
was I contributing? were you contributing? was she contributing? were we contributing? were you contributing? were they contributing?
Presente perfeito
have I contributed? have you contributed? has she contributed? have we contributed? have you contributed? have they contributed?
Presente perfeito contínuo
have I been contributing? have you been contributing? has she been contributing? have we been contributing? have you been contributing? have they been contributing?
Mais perfeito
had I contributed? had you contributed? had she contributed? had we contributed? had you contributed? had they contributed?
Contínuo mais perfeito
had I been contributing? had you been contributing? had she been contributing? had we been contributing? had you been contributing? had they been contributing?
Futuro
will I contribute? will you contribute? will she contribute? will we contribute? will you contribute? will they contribute?
Futuro contínuo
will I be contributing? will you be contributing? will she be contributing? will we be contributing? will you be contributing? will they be contributing?
futuro perfeito
will I have contributed? will you have contributed? will she have contributed? will we have contributed? will you have contributed? will they have contributed?
futuro perfeito contínuo
will I have been contributing? will you have been contributing? will she have been contributing? will we have been contributing? will you have been contributing? will they have been contributing?
Condicional
Presente
would I contribute? would you contribute? would she contribute? would we contribute? would you contribute? would they contribute?
Presente contínuo
would I be contributing? would you be contributing? would she be contributing? would we be contributing? would you be contributing? would they be contributing?
Passado
would I have contributed? would you have contributed? would she have contributed? would we have contributed? would you have contributed? would they have contributed?
Passado contínuo
would I have been contributing? would you have been contributing? would she have been contributing? would we have been contributing? would you have been contributing? would they have been contributing?