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