may cumber
Regular verb: cumber - cumbered- cumbered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may cumber
you may cumber
he may cumber
we may cumber
you may cumber
they may cumber 	I may be cumbering
you may be cumbering
he may be cumbering
we may be cumbering
you may be cumbering
they may be cumbering	I may have cumbered
you may have cumbered
he may have cumbered
we may have cumbered
you may have cumbered
they may have cumbered	I may have been cumbering
you may have been cumbering
he may have been cumbering
we may have been cumbering
you may have been cumbering
they may have been cumbering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not cumber
you may not cumber
he may not cumber
we may not cumber
you may not cumber
they may not cumber 	I may not be cumbering
you may not be cumbering
he may not be cumbering
we may not be cumbering
you may not be cumbering
they may not be cumbering	I may not have cumbered
you may not have cumbered
he may not have cumbered
we may not have cumbered
you may not have cumbered
they may not have cumbered	I may not have been cumbering
you may not have been cumbering
he may not have been cumbering
we may not have been cumbering
you may not have been cumbering
they may not have been cumbering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I cumber?
may you cumber?
may he cumber?
may we cumber?
may you cumber?
may they cumber? 	may I be cumbering?
may you be cumbering?
may he be cumbering?
may we be cumbering?
may you be cumbering?
may they be cumbering? 	may I have cumbered?
may you have cumbered?
may he have cumbered?
may we have cumbered?
may you have cumbered?
may they have cumbered? 	may I have been cumbering?
may you have been cumbering?
may he have been cumbering?
may we have been cumbering?
may you have been cumbering?
may they have been cumbering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not cumber?
may you not cumber?
may he not cumber?
may we not cumber?
may you not cumber?
may they not cumber? 	may I not be cumbering?
may you not be cumbering?
may he not be cumbering?
may we not be cumbering?
may you not be cumbering?
may they not be cumbering? 	may I not have cumbered?
may you not have cumbered?
may he not have cumbered?
may we not have cumbered?
may you not have cumbered?
may they not have cumbered? 	may I not have been cumbering?
may you not have been cumbering?
may he not have been cumbering?
may we not have been cumbering?
may you not have been cumbering?
may they not have been cumbering?