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