shall contribute
Verbo regolare: contribute - contributed- contributed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I shall contribute
you shall contribute
he shall contribute
we shall contribute
you shall contribute
they shall contribute 	I shall be contributing
you shall be contributing
he shall be contributing
we shall be contributing
you shall be contributing
they shall be contributing	I shall have contributed
you shall have contributed
he shall have contributed
we shall have contributed
you shall have contributed
they shall have contributed	I shall have been contributing
you shall have been contributing
he shall have been contributing
we shall have been contributing
you shall have been contributing
they shall have been contributing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I shall not contribute
you shall not contribute
he shall not contribute
we shall not contribute
you shall not contribute
they shall not contribute 	I shall not be contributing
you shall not be contributing
he shall not be contributing
we shall not be contributing
you shall not be contributing
they shall not be contributing	I shall not have contributed
you shall not have contributed
he shall not have contributed
we shall not have contributed
you shall not have contributed
they shall not have contributed	I shall not have been contributing
you shall not have been contributing
he shall not have been contributing
we shall not have been contributing
you shall not have been contributing
they shall not have been contributing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
shall I contribute?
shall you contribute?
shall he contribute?
shall we contribute?
shall you contribute?
shall they contribute? 	shall I be contributing?
shall you be contributing?
shall he be contributing?
shall we be contributing?
shall you be contributing?
shall they be contributing? 	shall I have contributed?
shall you have contributed?
shall he 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 he have been contributing?
shall we have been contributing?
shall you have been contributing?
shall they have been contributing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
shall I not contribute?
shall you not contribute?
shall he not contribute?
shall we not contribute?
shall you not contribute?
shall they not contribute? 	shall I not be contributing?
shall you not be contributing?
shall he not be contributing?
shall we not be contributing?
shall you not be contributing?
shall they not be contributing? 	shall I not have contributed?
shall you not have contributed?
shall he not have contributed?
shall we not have contributed?
shall you not have contributed?
shall they not have contributed? 	shall I not have been contributing?
shall you not have been contributing?
shall he not have been contributing?
shall we not have been contributing?
shall you not have been contributing?
shall they not have been contributing?