shall shorten
Regular verb: shorten - shortened- shortened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall shorten
you shall shorten
he shall shorten
we shall shorten
you shall shorten
they shall shorten 	I shall be shortening
you shall be shortening
he shall be shortening
we shall be shortening
you shall be shortening
they shall be shortening	I shall have shortened
you shall have shortened
he shall have shortened
we shall have shortened
you shall have shortened
they shall have shortened	I shall have been shortening
you shall have been shortening
he shall have been shortening
we shall have been shortening
you shall have been shortening
they shall have been shortening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not shorten
you shall not shorten
he shall not shorten
we shall not shorten
you shall not shorten
they shall not shorten 	I shall not be shortening
you shall not be shortening
he shall not be shortening
we shall not be shortening
you shall not be shortening
they shall not be shortening	I shall not have shortened
you shall not have shortened
he shall not have shortened
we shall not have shortened
you shall not have shortened
they shall not have shortened	I shall not have been shortening
you shall not have been shortening
he shall not have been shortening
we shall not have been shortening
you shall not have been shortening
they shall not have been shortening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I shorten?
shall you shorten?
shall he shorten?
shall we shorten?
shall you shorten?
shall they shorten? 	shall I be shortening?
shall you be shortening?
shall he be shortening?
shall we be shortening?
shall you be shortening?
shall they be shortening? 	shall I have shortened?
shall you have shortened?
shall he have shortened?
shall we have shortened?
shall you have shortened?
shall they have shortened? 	shall I have been shortening?
shall you have been shortening?
shall he have been shortening?
shall we have been shortening?
shall you have been shortening?
shall they have been shortening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not shorten?
shall you not shorten?
shall he not shorten?
shall we not shorten?
shall you not shorten?
shall they not shorten? 	shall I not be shortening?
shall you not be shortening?
shall he not be shortening?
shall we not be shortening?
shall you not be shortening?
shall they not be shortening? 	shall I not have shortened?
shall you not have shortened?
shall he not have shortened?
shall we not have shortened?
shall you not have shortened?
shall they not have shortened? 	shall I not have been shortening?
shall you not have been shortening?
shall he not have been shortening?
shall we not have been shortening?
shall you not have been shortening?
shall they not have been shortening?