Verbo regular: contribute - contributed - contributed
Indicativo
Presente
I contribute you contribute he contributes we contribute you contribute they contribute
Presente continuo
I am contributing you are contributing he is contributing we are contributing you are contributing they are contributing
Pretérito
I contributed you contributed he contributed we contributed you contributed they contributed
Pretérito continuo
I was contributing you were contributing he was contributing we were contributing you were contributing they were contributing
Presente perfecto
I have contributed you have contributed he has contributed we have contributed you have contributed they have contributed
Presente perfecto continuo
I have been contributing you have been contributing he has been contributing we have been contributing you have been contributing they have been contributing
Pluscuamperfecto
I had contributed you had contributed he had contributed we had contributed you had contributed they had contributed
Pluscuamperfecto continuo
I had been contributing you had been contributing he had been contributing we had been contributing you had been contributing they had been contributing
Futuro simple
I will contribute you will contribute he will contribute we will contribute you will contribute they will contribute
Futuro continuo
I will be contributing you will be contributing he will be contributing we will be contributing you will be contributing they will be contributing
Futuro perfecto
I will have contributed you will have contributed he will have contributed we will have contributed you will have contributed they will have contributed
Futuro perfecto contínuo
I will have been contributing you will have been contributing he will have been contributing we will have been contributing you will have been contributing they will have been contributing
Condicional
Presente
I would contribute you would contribute he would contribute we would contribute you would contribute they would contribute
Presente continuo
I would be contributing you would be contributing he would be contributing we would be contributing you would be contributing they would be contributing
Passado
I would have contributed you would have contributed he would have contributed we would have contributed you would have contributed they would have contributed
Passado continuo
I would have been contributing you would have been contributing he would have been contributing we would have been contributing you would have been contributing they would have been contributing