can differentiate
Regular verb: differentiate - differentiated- differentiated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can differentiate
you can differentiate
he can differentiate
we can differentiate
you can differentiate
they can differentiate 	I can be differentiating
you can be differentiating
he can be differentiating
we can be differentiating
you can be differentiating
they can be differentiating	I can have differentiated
you can have differentiated
he can have differentiated
we can have differentiated
you can have differentiated
they can have differentiated	I can have been differentiating
you can have been differentiating
he can have been differentiating
we can have been differentiating
you can have been differentiating
they can have been differentiating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't differentiate
you can't differentiate
he can't differentiate
we can't differentiate
you can't differentiate
they can't differentiate 	I can't be differentiating
you can't be differentiating
he can't be differentiating
we can't be differentiating
you can't be differentiating
they can't be differentiating	I can't have differentiated
you can't have differentiated
he can't have differentiated
we can't have differentiated
you can't have differentiated
they can't have differentiated	I can't have been differentiating
you can't have been differentiating
he can't have been differentiating
we can't have been differentiating
you can't have been differentiating
they can't have been differentiating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I differentiate?
can you differentiate?
can he differentiate?
can we differentiate?
can you differentiate?
can they differentiate? 	can I be differentiating?
can you be differentiating?
can he be differentiating?
can we be differentiating?
can you be differentiating?
can they be differentiating? 	can I have differentiated?
can you have differentiated?
can he have differentiated?
can we have differentiated?
can you have differentiated?
can they have differentiated? 	can I have been differentiating?
can you have been differentiating?
can he have been differentiating?
can we have been differentiating?
can you have been differentiating?
can they have been differentiating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I differentiate?
can't you differentiate?
can't he differentiate?
can't we differentiate?
can't you differentiate?
can't they differentiate? 	can't I be differentiating?
can't you be differentiating?
can't he be differentiating?
can't we be differentiating?
can't you be differentiating?
can't they be differentiating? 	can't I have differentiated?
can't you have differentiated?
can't he have differentiated?
can't we have differentiated?
can't you have differentiated?
can't they have differentiated? 	can't I have been differentiating?
can't you have been differentiating?
can't he have been differentiating?
can't we have been differentiating?
can't you have been differentiating?
can't they have been differentiating?