I may calender you may calender he may calender we may calender you may calender they may calender
V-ing form
I may be calendering you may be calendering he may be calendering we may be calendering you may be calendering they may be calendering
Perfect
I may have calendered you may have calendered he may have calendered we may have calendered you may have calendered they may have calendered
V-ing perfect
I may have been calendering you may have been calendering he may have been calendering we may have been calendering you may have been calendering they may have been calendering
Negation
Simple form
I mayn't calender you mayn't calender he mayn't calender we mayn't calender you mayn't calender they mayn't calender
V-ing form
I mayn't be calendering you mayn't be calendering he mayn't be calendering we mayn't be calendering you mayn't be calendering they mayn't be calendering
Perfect
I mayn't have calendered you mayn't have calendered he mayn't have calendered we mayn't have calendered you mayn't have calendered they mayn't have calendered
V-ing perfect
I mayn't have been calendering you mayn't have been calendering he mayn't have been calendering we mayn't have been calendering you mayn't have been calendering they mayn't have been calendering
Interrogative form
Simple form
may I calender? may you calender? may he calender? may we calender? may you calender? may they calender?
V-ing form
may I be calendering? may you be calendering? may he be calendering? may we be calendering? may you be calendering? may they be calendering?
Perfect
may I have calendered? may you have calendered? may he have calendered? may we have calendered? may you have calendered? may they have calendered?
V-ing perfect
may I have been calendering? may you have been calendering? may he have been calendering? may we have been calendering? may you have been calendering? may they have been calendering?
Interro-negative form
Simple form
mayn't I calender? mayn't you calender? mayn't he calender? mayn't we calender? mayn't you calender? mayn't they calender?
V-ing form
mayn't I be calendering? mayn't you be calendering? mayn't he be calendering? mayn't we be calendering? mayn't you be calendering? mayn't they be calendering?
Perfect
mayn't I have calendered? mayn't you have calendered? mayn't he have calendered? mayn't we have calendered? mayn't you have calendered? mayn't they have calendered?
V-ing perfect
mayn't I have been calendering? mayn't you have been calendering? mayn't he have been calendering? mayn't we have been calendering? mayn't you have been calendering? mayn't they have been calendering?