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