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