English verb conjugation
CAN CORRECT

Regular verb: correct - corrected - corrected

Affirmation

Simple form	V-ing form
I can correct you can correct he can correct we can correct you can correct they can correct	I can be correcting you can be correcting he can be correcting we can be correcting you can be correcting they can be correcting
Perfect	V-ing perfect
I can have corrected you can have corrected he 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 he 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
I cannot correct you cannot correct he cannot correct we cannot correct you cannot correct they cannot correct	I cannot be correcting you cannot be correcting he cannot be correcting we cannot be correcting you cannot be correcting they cannot be correcting
Perfect	V-ing perfect
I cannot have corrected you cannot have corrected he cannot have corrected we cannot have corrected you cannot have corrected they cannot have corrected	I cannot have been correcting you cannot have been correcting he cannot have been correcting we cannot have been correcting you cannot have been correcting they cannot have been correcting

Interrogative form

Simple form	V-ing form
can I correct? can you correct? can he correct? can we correct? can you correct? can they correct?	can I be correcting? can you be correcting? can he be correcting? can we be correcting? can you be correcting? can they be correcting?
Perfect	V-ing perfect
can I have corrected? can you have corrected? can he 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 he 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
can I not correct? can you not correct? can he not correct? can we not correct? can you not correct? can they not correct?	can I not be correcting? can you not be correcting? can he not be correcting? can we not be correcting? can you not be correcting? can they not be correcting?
Perfect	V-ing perfect
can I not have corrected? can you not have corrected? can he not have corrected? can we not have corrected? can you not have corrected? can they not have corrected?	can I not have been correcting? can you not have been correcting? can he not have been correcting? can we not have been correcting? can you not have been correcting? can they not have been correcting?