I may delve you may delve she may delve we may delve you may delve they may delve
V-ing form
I may be delving you may be delving she may be delving we may be delving you may be delving they may be delving
Perfect
I may have delved you may have delved she may have delved we may have delved you may have delved they may have delved
V-ing perfect
I may have been delving you may have been delving she may have been delving we may have been delving you may have been delving they may have been delving
Negation
Simple form
I mayn't delve you mayn't delve she mayn't delve we mayn't delve you mayn't delve they mayn't delve
V-ing form
I mayn't be delving you mayn't be delving she mayn't be delving we mayn't be delving you mayn't be delving they mayn't be delving
Perfect
I mayn't have delved you mayn't have delved she mayn't have delved we mayn't have delved you mayn't have delved they mayn't have delved
V-ing perfect
I mayn't have been delving you mayn't have been delving she mayn't have been delving we mayn't have been delving you mayn't have been delving they mayn't have been delving
Interrogative form
Simple form
may I delve? may you delve? may she delve? may we delve? may you delve? may they delve?
V-ing form
may I be delving? may you be delving? may she be delving? may we be delving? may you be delving? may they be delving?
Perfect
may I have delved? may you have delved? may she have delved? may we have delved? may you have delved? may they have delved?
V-ing perfect
may I have been delving? may you have been delving? may she have been delving? may we have been delving? may you have been delving? may they have been delving?
Interro-negative form
Simple form
mayn't I delve? mayn't you delve? mayn't she delve? mayn't we delve? mayn't you delve? mayn't they delve?
V-ing form
mayn't I be delving? mayn't you be delving? mayn't she be delving? mayn't we be delving? mayn't you be delving? mayn't they be delving?
Perfect
mayn't I have delved? mayn't you have delved? mayn't she have delved? mayn't we have delved? mayn't you have delved? mayn't they have delved?
V-ing perfect
mayn't I have been delving? mayn't you have been delving? mayn't she have been delving? mayn't we have been delving? mayn't you have been delving? mayn't they have been delving?