I may canker you may canker he may canker we may canker you may canker they may canker
V-ing form
I may be cankering you may be cankering he may be cankering we may be cankering you may be cankering they may be cankering
Perfect
I may have cankered you may have cankered he may have cankered we may have cankered you may have cankered they may have cankered
V-ing perfect
I may have been cankering you may have been cankering he may have been cankering we may have been cankering you may have been cankering they may have been cankering
Negation
Simple form
I may not canker you may not canker he may not canker we may not canker you may not canker they may not canker
V-ing form
I may not be cankering you may not be cankering he may not be cankering we may not be cankering you may not be cankering they may not be cankering
Perfect
I may not have cankered you may not have cankered he may not have cankered we may not have cankered you may not have cankered they may not have cankered
V-ing perfect
I may not have been cankering you may not have been cankering he may not have been cankering we may not have been cankering you may not have been cankering they may not have been cankering
Interrogative form
Simple form
may I canker? may you canker? may he canker? may we canker? may you canker? may they canker?
V-ing form
may I be cankering? may you be cankering? may he be cankering? may we be cankering? may you be cankering? may they be cankering?
Perfect
may I have cankered? may you have cankered? may he have cankered? may we have cankered? may you have cankered? may they have cankered?
V-ing perfect
may I have been cankering? may you have been cankering? may he have been cankering? may we have been cankering? may you have been cankering? may they have been cankering?
Interro-negative form
Simple form
may I not canker? may you not canker? may he not canker? may we not canker? may you not canker? may they not canker?
V-ing form
may I not be cankering? may you not be cankering? may he not be cankering? may we not be cankering? may you not be cankering? may they not be cankering?
Perfect
may I not have cankered? may you not have cankered? may he not have cankered? may we not have cankered? may you not have cankered? may they not have cankered?
V-ing perfect
may I not have been cankering? may you not have been cankering? may he not have been cankering? may we not have been cankering? may you not have been cankering? may they not have been cankering?