English verb conjugation
COULD RECTIFY

Regular verb: rectify - rectified - rectified

Affirmation

Simple form	V-ing form
I could rectify you could rectify she could rectify we could rectify you could rectify they could rectify	I could be rectifying you could be rectifying she could be rectifying we could be rectifying you could be rectifying they could be rectifying
Perfect	V-ing perfect
I could have rectified you could have rectified she could have rectified we could have rectified you could have rectified they could have rectified	I could have been rectifying you could have been rectifying she could have been rectifying we could have been rectifying you could have been rectifying they could have been rectifying

Negation

Simple form	V-ing form
I could not rectify you could not rectify she could not rectify we could not rectify you could not rectify they could not rectify	I could not be rectifying you could not be rectifying she could not be rectifying we could not be rectifying you could not be rectifying they could not be rectifying
Perfect	V-ing perfect
I could not have rectified you could not have rectified she could not have rectified we could not have rectified you could not have rectified they could not have rectified	I could not have been rectifying you could not have been rectifying she could not have been rectifying we could not have been rectifying you could not have been rectifying they could not have been rectifying

Interrogative form

Simple form	V-ing form
could I rectify? could you rectify? could she rectify? could we rectify? could you rectify? could they rectify?	could I be rectifying? could you be rectifying? could she be rectifying? could we be rectifying? could you be rectifying? could they be rectifying?
Perfect	V-ing perfect
could I have rectified? could you have rectified? could she have rectified? could we have rectified? could you have rectified? could they have rectified?	could I have been rectifying? could you have been rectifying? could she have been rectifying? could we have been rectifying? could you have been rectifying? could they have been rectifying?

Interro-negative form

Simple form	V-ing form
could I not rectify? could you not rectify? could she not rectify? could we not rectify? could you not rectify? could they not rectify?	could I not be rectifying? could you not be rectifying? could she not be rectifying? could we not be rectifying? could you not be rectifying? could they not be rectifying?
Perfect	V-ing perfect
could I not have rectified? could you not have rectified? could she not have rectified? could we not have rectified? could you not have rectified? could they not have rectified?	could I not have been rectifying? could you not have been rectifying? could she not have been rectifying? could we not have been rectifying? could you not have been rectifying? could they not have been rectifying?