can counterweigh
Regular verb: counterweigh - counterweighed- counterweighed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can counterweigh
you can counterweigh
he can counterweigh
we can counterweigh
you can counterweigh
they can counterweigh 	I can be counterweighing
you can be counterweighing
he can be counterweighing
we can be counterweighing
you can be counterweighing
they can be counterweighing	I can have counterweighed
you can have counterweighed
he can have counterweighed
we can have counterweighed
you can have counterweighed
they can have counterweighed	I can have been counterweighing
you can have been counterweighing
he can have been counterweighing
we can have been counterweighing
you can have been counterweighing
they can have been counterweighing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't counterweigh
you can't counterweigh
he can't counterweigh
we can't counterweigh
you can't counterweigh
they can't counterweigh 	I can't be counterweighing
you can't be counterweighing
he can't be counterweighing
we can't be counterweighing
you can't be counterweighing
they can't be counterweighing	I can't have counterweighed
you can't have counterweighed
he can't have counterweighed
we can't have counterweighed
you can't have counterweighed
they can't have counterweighed	I can't have been counterweighing
you can't have been counterweighing
he can't have been counterweighing
we can't have been counterweighing
you can't have been counterweighing
they can't have been counterweighing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I counterweigh?
can you counterweigh?
can he counterweigh?
can we counterweigh?
can you counterweigh?
can they counterweigh? 	can I be counterweighing?
can you be counterweighing?
can he be counterweighing?
can we be counterweighing?
can you be counterweighing?
can they be counterweighing? 	can I have counterweighed?
can you have counterweighed?
can he have counterweighed?
can we have counterweighed?
can you have counterweighed?
can they have counterweighed? 	can I have been counterweighing?
can you have been counterweighing?
can he have been counterweighing?
can we have been counterweighing?
can you have been counterweighing?
can they have been counterweighing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I counterweigh?
can't you counterweigh?
can't he counterweigh?
can't we counterweigh?
can't you counterweigh?
can't they counterweigh? 	can't I be counterweighing?
can't you be counterweighing?
can't he be counterweighing?
can't we be counterweighing?
can't you be counterweighing?
can't they be counterweighing? 	can't I have counterweighed?
can't you have counterweighed?
can't he have counterweighed?
can't we have counterweighed?
can't you have counterweighed?
can't they have counterweighed? 	can't I have been counterweighing?
can't you have been counterweighing?
can't he have been counterweighing?
can't we have been counterweighing?
can't you have been counterweighing?
can't they have been counterweighing?