can differentiate
Regular verb: differentiate - differentiated- differentiated

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