can finish
Regular verb: finish - finished- finished

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can finish
you can finish
she can finish
we can finish
you can finish
they can finish 	I can be finishing
you can be finishing
she can be finishing
we can be finishing
you can be finishing
they can be finishing	I can have finished
you can have finished
she can have finished
we can have finished
you can have finished
they can have finished	I can have been finishing
you can have been finishing
she can have been finishing
we can have been finishing
you can have been finishing
they can have been finishing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't finish
you can't finish
she can't finish
we can't finish
you can't finish
they can't finish 	I can't be finishing
you can't be finishing
she can't be finishing
we can't be finishing
you can't be finishing
they can't be finishing	I can't have finished
you can't have finished
she can't have finished
we can't have finished
you can't have finished
they can't have finished	I can't have been finishing
you can't have been finishing
she can't have been finishing
we can't have been finishing
you can't have been finishing
they can't have been finishing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I finish?
can you finish?
can she finish?
can we finish?
can you finish?
can they finish? 	can I be finishing?
can you be finishing?
can she be finishing?
can we be finishing?
can you be finishing?
can they be finishing? 	can I have finished?
can you have finished?
can she have finished?
can we have finished?
can you have finished?
can they have finished? 	can I have been finishing?
can you have been finishing?
can she have been finishing?
can we have been finishing?
can you have been finishing?
can they have been finishing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I finish?
can't you finish?
can't she finish?
can't we finish?
can't you finish?
can't they finish? 	can't I be finishing?
can't you be finishing?
can't she be finishing?
can't we be finishing?
can't you be finishing?
can't they be finishing? 	can't I have finished?
can't you have finished?
can't she have finished?
can't we have finished?
can't you have finished?
can't they have finished? 	can't I have been finishing?
can't you have been finishing?
can't she have been finishing?
can't we have been finishing?
can't you have been finishing?
can't they have been finishing?