will contribute
Verbo regular: contribute - contributed- contributed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'll contribute
you'll contribute
she'll contribute
we'll contribute
you'll contribute
they'll contribute 	I'll be contributing
you'll be contributing
she'll be contributing
we'll be contributing
you'll be contributing
they'll be contributing	I'll have contributed
you'll have contributed
she'll have contributed
we'll have contributed
you'll have contributed
they'll have contributed	I'll have been contributing
you'll have been contributing
she'll have been contributing
we'll have been contributing
you'll have been contributing
they'll have been contributing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I won't contribute
you won't contribute
she won't contribute
we won't contribute
you won't contribute
they won't contribute 	I won't be contributing
you won't be contributing
she won't be contributing
we won't be contributing
you won't be contributing
they won't be contributing	I won't have contributed
you won't have contributed
she won't have contributed
we won't have contributed
you won't have contributed
they won't have contributed	I won't have been contributing
you won't have been contributing
she won't have been contributing
we won't have been contributing
you won't have been contributing
they won't have been contributing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
will I contribute?
will you contribute?
will she contribute?
will we contribute?
will you contribute?
will they contribute? 	will I be contributing?
will you be contributing?
will she be contributing?
will we be contributing?
will you be contributing?
will they be contributing? 	will I have contributed?
will you have contributed?
will she have contributed?
will we have contributed?
will you have contributed?
will they have contributed? 	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? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
won't I contribute?
won't you contribute?
won't she contribute?
won't we contribute?
won't you contribute?
won't they contribute? 	won't I be contributing?
won't you be contributing?
won't she be contributing?
won't we be contributing?
won't you be contributing?
won't they be contributing? 	won't I have contributed?
won't you have contributed?
won't she have contributed?
won't we have contributed?
won't you have contributed?
won't they have contributed? 	won't I have been contributing?
won't you have been contributing?
won't she have been contributing?
won't we have been contributing?
won't you have been contributing?
won't they have been contributing?