to contribute
Verbo regular: contribute - contributed- contributed

Indicativo 	
Presente 	Presente contínuo 	Pretérito 	Preterito contínuo 	
I do not contribute
you do not contribute
he doesnot contribute
we do not contribute
you do not contribute
they do not contribute 	Iamnot contributing
youarenot contributing
heisnot contributing
wearenot contributing
youarenot contributing
theyarenot contributing	I did not contribute
you did not contribute
he did not contribute
we did not contribute
you did not contribute
they did not contribute 	Iwasnot contributing
youwerenot contributing
hewasnot contributing
wewerenot contributing
youwerenot contributing
theywerenot contributing	
Presente perfeito 	Presente perfeito contínuo 	Mais perfeito 	Contínuo mais perfeito 	
I have not contributed
you have not contributed
hehasnot contributed
we have not contributed
you have not contributed
they have not contributed	I have not  been contributing
you have not  been contributing
hehasnot  been contributing
we have not  been contributing
you have not  been contributing
they have not  been contributing	I had not contributed
you had not contributed
he had not contributed
we had not contributed
you had not contributed
they had not contributed	I had not been contributing
you had not been contributing
he had not been contributing
we had not been contributing
you had not been contributing
they had not been contributing	
Futuro 	Futuro contínuo 	futuro perfeito 	futuro perfeito contínuo 	
I will not contribute
you will not contribute
he will not contribute
we will not contribute
you will not contribute
they will not contribute 	I will not be contributing
you will not be contributing
he will not be contributing
we will not be contributing
you will not be contributing
they will not be contributing	I will not have contributed
you will not have contributed
he will not have contributed
we will not have contributed
you will not have contributed
they will not have contributed	I will not have been contributing
you will not have been contributing
he will not have been contributing
we will not have been contributing
you will not have been contributing
they will not have been contributing	

Condicional 	
Presente 	Presente contínuo 	Passado 	Passado contínuo 	
I would not contribute
you would not contribute
he would not contribute
we would not contribute
you would not contribute
they would not contribute 	I would not be contributing
you would not be contributing
he would not be contributing
we would not be contributing
you would not be contributing
they would not be contributing	I would not have contributed
you would not have contributed
he would not have contributed
we would not have contributed
you would not have contributed
they would not have contributed	I would not have been contributing
you would not have been contributing
he would not have been contributing
we would not have been contributing
you would not have been contributing
they would not have been contributing	

Infinitivo 	
Imperativo 	
Infinitivo 	 	Imperativo 	 	
to contribute 	 	do not contribute
Let's not contribute
do not contribute 	 	

Particípio 	
Presente 	Passado 	 	 	
contributing	contributed