shall abstain
Verbo regular: abstain - abstained- abstained

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shall abstain
you shall abstain
he shall abstain
we shall abstain
you shall abstain
they shall abstain 	I shall be abstaining
you shall be abstaining
he shall be abstaining
we shall be abstaining
you shall be abstaining
they shall be abstaining	I shall have abstained
you shall have abstained
he shall have abstained
we shall have abstained
you shall have abstained
they shall have abstained	I shall have been abstaining
you shall have been abstaining
he shall have been abstaining
we shall have been abstaining
you shall have been abstaining
they shall have been abstaining	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shall not abstain
you shall not abstain
he shall not abstain
we shall not abstain
you shall not abstain
they shall not abstain 	I shall not be abstaining
you shall not be abstaining
he shall not be abstaining
we shall not be abstaining
you shall not be abstaining
they shall not be abstaining	I shall not have abstained
you shall not have abstained
he shall not have abstained
we shall not have abstained
you shall not have abstained
they shall not have abstained	I shall not have been abstaining
you shall not have been abstaining
he shall not have been abstaining
we shall not have been abstaining
you shall not have been abstaining
they shall not have been abstaining	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shall I abstain?
shall you abstain?
shall he abstain?
shall we abstain?
shall you abstain?
shall they abstain? 	shall I be abstaining?
shall you be abstaining?
shall he be abstaining?
shall we be abstaining?
shall you be abstaining?
shall they be abstaining? 	shall I have abstained?
shall you have abstained?
shall he have abstained?
shall we have abstained?
shall you have abstained?
shall they have abstained? 	shall I have been abstaining?
shall you have been abstaining?
shall he have been abstaining?
shall we have been abstaining?
shall you have been abstaining?
shall they have been abstaining? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shall I not abstain?
shall you not abstain?
shall he not abstain?
shall we not abstain?
shall you not abstain?
shall they not abstain? 	shall I not be abstaining?
shall you not be abstaining?
shall he not be abstaining?
shall we not be abstaining?
shall you not be abstaining?
shall they not be abstaining? 	shall I not have abstained?
shall you not have abstained?
shall he not have abstained?
shall we not have abstained?
shall you not have abstained?
shall they not have abstained? 	shall I not have been abstaining?
shall you not have been abstaining?
shall he not have been abstaining?
shall we not have been abstaining?
shall you not have been abstaining?
shall they not have been abstaining?