may counterweight
Regular verb: counterweight - counterweighted- counterweighted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may counterweight
you may counterweight
he may counterweight
we may counterweight
you may counterweight
they may counterweight 	I may be counterweighting
you may be counterweighting
he may be counterweighting
we may be counterweighting
you may be counterweighting
they may be counterweighting	I may have counterweighted
you may have counterweighted
he may have counterweighted
we may have counterweighted
you may have counterweighted
they may have counterweighted	I may have been counterweighting
you may have been counterweighting
he may have been counterweighting
we may have been counterweighting
you may have been counterweighting
they may have been counterweighting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not counterweight
you may not counterweight
he may not counterweight
we may not counterweight
you may not counterweight
they may not counterweight 	I may not be counterweighting
you may not be counterweighting
he may not be counterweighting
we may not be counterweighting
you may not be counterweighting
they may not be counterweighting	I may not have counterweighted
you may not have counterweighted
he may not have counterweighted
we may not have counterweighted
you may not have counterweighted
they may not have counterweighted	I may not have been counterweighting
you may not have been counterweighting
he may not have been counterweighting
we may not have been counterweighting
you may not have been counterweighting
they may not have been counterweighting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I counterweight?
may you counterweight?
may he counterweight?
may we counterweight?
may you counterweight?
may they counterweight? 	may I be counterweighting?
may you be counterweighting?
may he be counterweighting?
may we be counterweighting?
may you be counterweighting?
may they be counterweighting? 	may I have counterweighted?
may you have counterweighted?
may he have counterweighted?
may we have counterweighted?
may you have counterweighted?
may they have counterweighted? 	may I have been counterweighting?
may you have been counterweighting?
may he have been counterweighting?
may we have been counterweighting?
may you have been counterweighting?
may they have been counterweighting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not counterweight?
may you not counterweight?
may he not counterweight?
may we not counterweight?
may you not counterweight?
may they not counterweight? 	may I not be counterweighting?
may you not be counterweighting?
may he not be counterweighting?
may we not be counterweighting?
may you not be counterweighting?
may they not be counterweighting? 	may I not have counterweighted?
may you not have counterweighted?
may he not have counterweighted?
may we not have counterweighted?
may you not have counterweighted?
may they not have counterweighted? 	may I not have been counterweighting?
may you not have been counterweighting?
may he not have been counterweighting?
may we not have been counterweighting?
may you not have been counterweighting?
may they not have been counterweighting?