can perfect
Regular verb: perfect - perfected- perfected

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can perfect
you can perfect
she can perfect
we can perfect
you can perfect
they can perfect 	I can be perfecting
you can be perfecting
she can be perfecting
we can be perfecting
you can be perfecting
they can be perfecting	I can have perfected
you can have perfected
she can have perfected
we can have perfected
you can have perfected
they can have perfected	I can have been perfecting
you can have been perfecting
she can have been perfecting
we can have been perfecting
you can have been perfecting
they can have been perfecting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't perfect
you can't perfect
she can't perfect
we can't perfect
you can't perfect
they can't perfect 	I can't be perfecting
you can't be perfecting
she can't be perfecting
we can't be perfecting
you can't be perfecting
they can't be perfecting	I can't have perfected
you can't have perfected
she can't have perfected
we can't have perfected
you can't have perfected
they can't have perfected	I can't have been perfecting
you can't have been perfecting
she can't have been perfecting
we can't have been perfecting
you can't have been perfecting
they can't have been perfecting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I perfect?
can you perfect?
can she perfect?
can we perfect?
can you perfect?
can they perfect? 	can I be perfecting?
can you be perfecting?
can she be perfecting?
can we be perfecting?
can you be perfecting?
can they be perfecting? 	can I have perfected?
can you have perfected?
can she have perfected?
can we have perfected?
can you have perfected?
can they have perfected? 	can I have been perfecting?
can you have been perfecting?
can she have been perfecting?
can we have been perfecting?
can you have been perfecting?
can they have been perfecting? 	

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