can decaffeinate
Regular verb: decaffeinate - decaffeinated- decaffeinated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can decaffeinate
you can decaffeinate
he can decaffeinate
we can decaffeinate
you can decaffeinate
they can decaffeinate 	I can be decaffeinating
you can be decaffeinating
he can be decaffeinating
we can be decaffeinating
you can be decaffeinating
they can be decaffeinating	I can have decaffeinated
you can have decaffeinated
he can have decaffeinated
we can have decaffeinated
you can have decaffeinated
they can have decaffeinated	I can have been decaffeinating
you can have been decaffeinating
he can have been decaffeinating
we can have been decaffeinating
you can have been decaffeinating
they can have been decaffeinating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't decaffeinate
you can't decaffeinate
he can't decaffeinate
we can't decaffeinate
you can't decaffeinate
they can't decaffeinate 	I can't be decaffeinating
you can't be decaffeinating
he can't be decaffeinating
we can't be decaffeinating
you can't be decaffeinating
they can't be decaffeinating	I can't have decaffeinated
you can't have decaffeinated
he can't have decaffeinated
we can't have decaffeinated
you can't have decaffeinated
they can't have decaffeinated	I can't have been decaffeinating
you can't have been decaffeinating
he can't have been decaffeinating
we can't have been decaffeinating
you can't have been decaffeinating
they can't have been decaffeinating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I decaffeinate?
can you decaffeinate?
can he decaffeinate?
can we decaffeinate?
can you decaffeinate?
can they decaffeinate? 	can I be decaffeinating?
can you be decaffeinating?
can he be decaffeinating?
can we be decaffeinating?
can you be decaffeinating?
can they be decaffeinating? 	can I have decaffeinated?
can you have decaffeinated?
can he have decaffeinated?
can we have decaffeinated?
can you have decaffeinated?
can they have decaffeinated? 	can I have been decaffeinating?
can you have been decaffeinating?
can he have been decaffeinating?
can we have been decaffeinating?
can you have been decaffeinating?
can they have been decaffeinating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I decaffeinate?
can't you decaffeinate?
can't he decaffeinate?
can't we decaffeinate?
can't you decaffeinate?
can't they decaffeinate? 	can't I be decaffeinating?
can't you be decaffeinating?
can't he be decaffeinating?
can't we be decaffeinating?
can't you be decaffeinating?
can't they be decaffeinating? 	can't I have decaffeinated?
can't you have decaffeinated?
can't he have decaffeinated?
can't we have decaffeinated?
can't you have decaffeinated?
can't they have decaffeinated? 	can't I have been decaffeinating?
can't you have been decaffeinating?
can't he have been decaffeinating?
can't we have been decaffeinating?
can't you have been decaffeinating?
can't they have been decaffeinating?