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