can quench
Regular verb: quench - quenched- quenched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can quench
you can quench
he can quench
we can quench
you can quench
they can quench 	I can be quenching
you can be quenching
he can be quenching
we can be quenching
you can be quenching
they can be quenching	I can have quenched
you can have quenched
he can have quenched
we can have quenched
you can have quenched
they can have quenched	I can have been quenching
you can have been quenching
he can have been quenching
we can have been quenching
you can have been quenching
they can have been quenching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot quench
you cannot quench
he cannot quench
we cannot quench
you cannot quench
they cannot quench 	I cannot be quenching
you cannot be quenching
he cannot be quenching
we cannot be quenching
you cannot be quenching
they cannot be quenching	I cannot have quenched
you cannot have quenched
he cannot have quenched
we cannot have quenched
you cannot have quenched
they cannot have quenched	I cannot have been quenching
you cannot have been quenching
he cannot have been quenching
we cannot have been quenching
you cannot have been quenching
they cannot have been quenching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I quench?
can you quench?
can he quench?
can we quench?
can you quench?
can they quench? 	can I be quenching?
can you be quenching?
can he be quenching?
can we be quenching?
can you be quenching?
can they be quenching? 	can I have quenched?
can you have quenched?
can he have quenched?
can we have quenched?
can you have quenched?
can they have quenched? 	can I have been quenching?
can you have been quenching?
can he have been quenching?
can we have been quenching?
can you have been quenching?
can they have been quenching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not quench?
can you not quench?
can he not quench?
can we not quench?
can you not quench?
can they not quench? 	can I not be quenching?
can you not be quenching?
can he not be quenching?
can we not be quenching?
can you not be quenching?
can they not be quenching? 	can I not have quenched?
can you not have quenched?
can he not have quenched?
can we not have quenched?
can you not have quenched?
can they not have quenched? 	can I not have been quenching?
can you not have been quenching?
can he not have been quenching?
can we not have been quenching?
can you not have been quenching?
can they not have been quenching?