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