can coincide
Regular verb: coincide - coincided- coincided

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can coincide
you can coincide
she can coincide
we can coincide
you can coincide
they can coincide 	I can be coinciding
you can be coinciding
she can be coinciding
we can be coinciding
you can be coinciding
they can be coinciding	I can have coincided
you can have coincided
she can have coincided
we can have coincided
you can have coincided
they can have coincided	I can have been coinciding
you can have been coinciding
she can have been coinciding
we can have been coinciding
you can have been coinciding
they can have been coinciding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't coincide
you can't coincide
she can't coincide
we can't coincide
you can't coincide
they can't coincide 	I can't be coinciding
you can't be coinciding
she can't be coinciding
we can't be coinciding
you can't be coinciding
they can't be coinciding	I can't have coincided
you can't have coincided
she can't have coincided
we can't have coincided
you can't have coincided
they can't have coincided	I can't have been coinciding
you can't have been coinciding
she can't have been coinciding
we can't have been coinciding
you can't have been coinciding
they can't have been coinciding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I coincide?
can you coincide?
can she coincide?
can we coincide?
can you coincide?
can they coincide? 	can I be coinciding?
can you be coinciding?
can she be coinciding?
can we be coinciding?
can you be coinciding?
can they be coinciding? 	can I have coincided?
can you have coincided?
can she have coincided?
can we have coincided?
can you have coincided?
can they have coincided? 	can I have been coinciding?
can you have been coinciding?
can she have been coinciding?
can we have been coinciding?
can you have been coinciding?
can they have been coinciding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I coincide?
can't you coincide?
can't she coincide?
can't we coincide?
can't you coincide?
can't they coincide? 	can't I be coinciding?
can't you be coinciding?
can't she be coinciding?
can't we be coinciding?
can't you be coinciding?
can't they be coinciding? 	can't I have coincided?
can't you have coincided?
can't she have coincided?
can't we have coincided?
can't you have coincided?
can't they have coincided? 	can't I have been coinciding?
can't you have been coinciding?
can't she have been coinciding?
can't we have been coinciding?
can't you have been coinciding?
can't they have been coinciding?