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