shall 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 shan't contribute
you shan't contribute
she shan't contribute
we shan't contribute
you shan't contribute
they shan't contribute 	I shan't be contributing
you shan't be contributing
she shan't be contributing
we shan't be contributing
you shan't be contributing
they shan't be contributing	I shan't have contributed
you shan't have contributed
she shan't have contributed
we shan't have contributed
you shan't have contributed
they shan't have contributed	I shan't have been contributing
you shan't have been contributing
she shan't have been contributing
we shan't have been contributing
you shan't have been contributing
they shan't have been contributing	

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

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