can correct
Regular verb: correct - corrected- corrected

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can correct
you can correct
she can correct
we can correct
you can correct
they can correct 	I can be correcting
you can be correcting
she can be correcting
we can be correcting
you can be correcting
they can be correcting	I can have corrected
you can have corrected
she can have corrected
we can have corrected
you can have corrected
they can have corrected	I can have been correcting
you can have been correcting
she can have been correcting
we can have been correcting
you can have been correcting
they can have been correcting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't correct
you can't correct
she can't correct
we can't correct
you can't correct
they can't correct 	I can't be correcting
you can't be correcting
she can't be correcting
we can't be correcting
you can't be correcting
they can't be correcting	I can't have corrected
you can't have corrected
she can't have corrected
we can't have corrected
you can't have corrected
they can't have corrected	I can't have been correcting
you can't have been correcting
she can't have been correcting
we can't have been correcting
you can't have been correcting
they can't have been correcting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I correct?
can you correct?
can she correct?
can we correct?
can you correct?
can they correct? 	can I be correcting?
can you be correcting?
can she be correcting?
can we be correcting?
can you be correcting?
can they be correcting? 	can I have corrected?
can you have corrected?
can she have corrected?
can we have corrected?
can you have corrected?
can they have corrected? 	can I have been correcting?
can you have been correcting?
can she have been correcting?
can we have been correcting?
can you have been correcting?
can they have been correcting? 	

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