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