may shorten
Regular verb: shorten - shortened- shortened

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

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

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

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