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