can destain
Regular verb: destain - destained- destained

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can destain
you can destain
he can destain
we can destain
you can destain
they can destain 	I can be destaining
you can be destaining
he can be destaining
we can be destaining
you can be destaining
they can be destaining	I can have destained
you can have destained
he can have destained
we can have destained
you can have destained
they can have destained	I can have been destaining
you can have been destaining
he can have been destaining
we can have been destaining
you can have been destaining
they can have been destaining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't destain
you can't destain
he can't destain
we can't destain
you can't destain
they can't destain 	I can't be destaining
you can't be destaining
he can't be destaining
we can't be destaining
you can't be destaining
they can't be destaining	I can't have destained
you can't have destained
he can't have destained
we can't have destained
you can't have destained
they can't have destained	I can't have been destaining
you can't have been destaining
he can't have been destaining
we can't have been destaining
you can't have been destaining
they can't have been destaining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I destain?
can you destain?
can he destain?
can we destain?
can you destain?
can they destain? 	can I be destaining?
can you be destaining?
can he be destaining?
can we be destaining?
can you be destaining?
can they be destaining? 	can I have destained?
can you have destained?
can he have destained?
can we have destained?
can you have destained?
can they have destained? 	can I have been destaining?
can you have been destaining?
can he have been destaining?
can we have been destaining?
can you have been destaining?
can they have been destaining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I destain?
can't you destain?
can't he destain?
can't we destain?
can't you destain?
can't they destain? 	can't I be destaining?
can't you be destaining?
can't he be destaining?
can't we be destaining?
can't you be destaining?
can't they be destaining? 	can't I have destained?
can't you have destained?
can't he have destained?
can't we have destained?
can't you have destained?
can't they have destained? 	can't I have been destaining?
can't you have been destaining?
can't he have been destaining?
can't we have been destaining?
can't you have been destaining?
can't they have been destaining?