I may delve you may delve he may delve we may delve you may delve they may delve
V-ing form
I may be delving you may be delving he may be delving we may be delving you may be delving they may be delving
Perfect
I may have delved you may have delved he 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 he may have been delving we may have been delving you may have been delving they may have been delving
Negation
Simple form
I may not delve you may not delve he may not delve we may not delve you may not delve they may not delve
V-ing form
I may not be delving you may not be delving he may not be delving we may not be delving you may not be delving they may not be delving
Perfect
I may not have delved you may not have delved he may not have delved we may not have delved you may not have delved they may not have delved
V-ing perfect
I may not have been delving you may not have been delving he may not have been delving we may not have been delving you may not have been delving they may not have been delving
Interrogative form
Simple form
may I delve? may you delve? may he delve? may we delve? may you delve? may they delve?
V-ing form
may I be delving? may you be delving? may he be delving? may we be delving? may you be delving? may they be delving?
Perfect
may I have delved? may you have delved? may he 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 he have been delving? may we have been delving? may you have been delving? may they have been delving?
Interro-negative form
Simple form
may I not delve? may you not delve? may he not delve? may we not delve? may you not delve? may they not delve?
V-ing form
may I not be delving? may you not be delving? may he not be delving? may we not be delving? may you not be delving? may they not be delving?
Perfect
may I not have delved? may you not have delved? may he not have delved? may we not have delved? may you not have delved? may they not have delved?
V-ing perfect
may I not have been delving? may you not have been delving? may he not have been delving? may we not have been delving? may you not have been delving? may they not have been delving?