I can rectify you can rectify she can rectify we can rectify you can rectify they can rectify
V-ing form
I can be rectifying you can be rectifying she can be rectifying we can be rectifying you can be rectifying they can be rectifying
Perfect
I can have rectified you can have rectified she can have rectified we can have rectified you can have rectified they can have rectified
V-ing perfect
I can have been rectifying you can have been rectifying she can have been rectifying we can have been rectifying you can have been rectifying they can have been rectifying
Negation
Simple form
I can't rectify you can't rectify she can't rectify we can't rectify you can't rectify they can't rectify
V-ing form
I can't be rectifying you can't be rectifying she can't be rectifying we can't be rectifying you can't be rectifying they can't be rectifying
Perfect
I can't have rectified you can't have rectified she can't have rectified we can't have rectified you can't have rectified they can't have rectified
V-ing perfect
I can't have been rectifying you can't have been rectifying she can't have been rectifying we can't have been rectifying you can't have been rectifying they can't have been rectifying
Interrogative form
Simple form
can I rectify? can you rectify? can she rectify? can we rectify? can you rectify? can they rectify?
V-ing form
can I be rectifying? can you be rectifying? can she be rectifying? can we be rectifying? can you be rectifying? can they be rectifying?
Perfect
can I have rectified? can you have rectified? can she have rectified? can we have rectified? can you have rectified? can they have rectified?
V-ing perfect
can I have been rectifying? can you have been rectifying? can she have been rectifying? can we have been rectifying? can you have been rectifying? can they have been rectifying?
Interro-negative form
Simple form
can't I rectify? can't you rectify? can't she rectify? can't we rectify? can't you rectify? can't they rectify?
V-ing form
can't I be rectifying? can't you be rectifying? can't she be rectifying? can't we be rectifying? can't you be rectifying? can't they be rectifying?
Perfect
can't I have rectified? can't you have rectified? can't she have rectified? can't we have rectified? can't you have rectified? can't they have rectified?
V-ing perfect
can't I have been rectifying? can't you have been rectifying? can't she have been rectifying? can't we have been rectifying? can't you have been rectifying? can't they have been rectifying?