may further
Regular verb: further - furthered- furthered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may further
you may further
he may further
we may further
you may further
they may further 	I may be furthering
you may be furthering
he may be furthering
we may be furthering
you may be furthering
they may be furthering	I may have furthered
you may have furthered
he may have furthered
we may have furthered
you may have furthered
they may have furthered	I may have been furthering
you may have been furthering
he may have been furthering
we may have been furthering
you may have been furthering
they may have been furthering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not further
you may not further
he may not further
we may not further
you may not further
they may not further 	I may not be furthering
you may not be furthering
he may not be furthering
we may not be furthering
you may not be furthering
they may not be furthering	I may not have furthered
you may not have furthered
he may not have furthered
we may not have furthered
you may not have furthered
they may not have furthered	I may not have been furthering
you may not have been furthering
he may not have been furthering
we may not have been furthering
you may not have been furthering
they may not have been furthering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I further?
may you further?
may he further?
may we further?
may you further?
may they further? 	may I be furthering?
may you be furthering?
may he be furthering?
may we be furthering?
may you be furthering?
may they be furthering? 	may I have furthered?
may you have furthered?
may he have furthered?
may we have furthered?
may you have furthered?
may they have furthered? 	may I have been furthering?
may you have been furthering?
may he have been furthering?
may we have been furthering?
may you have been furthering?
may they have been furthering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not further?
may you not further?
may he not further?
may we not further?
may you not further?
may they not further? 	may I not be furthering?
may you not be furthering?
may he not be furthering?
may we not be furthering?
may you not be furthering?
may they not be furthering? 	may I not have furthered?
may you not have furthered?
may he not have furthered?
may we not have furthered?
may you not have furthered?
may they not have furthered? 	may I not have been furthering?
may you not have been furthering?
may he not have been furthering?
may we not have been furthering?
may you not have been furthering?
may they not have been furthering?