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