I may stall you may stall she may stall we may stall you may stall they may stall
V-ing form
I may be stalling you may be stalling she may be stalling we may be stalling you may be stalling they may be stalling
Perfect
I may have stalled you may have stalled she may have stalled we may have stalled you may have stalled they may have stalled
V-ing perfect
I may have been stalling you may have been stalling she may have been stalling we may have been stalling you may have been stalling they may have been stalling
Negation
Simple form
I mayn't stall you mayn't stall she mayn't stall we mayn't stall you mayn't stall they mayn't stall
V-ing form
I mayn't be stalling you mayn't be stalling she mayn't be stalling we mayn't be stalling you mayn't be stalling they mayn't be stalling
Perfect
I mayn't have stalled you mayn't have stalled she mayn't have stalled we mayn't have stalled you mayn't have stalled they mayn't have stalled
V-ing perfect
I mayn't have been stalling you mayn't have been stalling she mayn't have been stalling we mayn't have been stalling you mayn't have been stalling they mayn't have been stalling
Interrogative form
Simple form
may I stall? may you stall? may she stall? may we stall? may you stall? may they stall?
V-ing form
may I be stalling? may you be stalling? may she be stalling? may we be stalling? may you be stalling? may they be stalling?
Perfect
may I have stalled? may you have stalled? may she have stalled? may we have stalled? may you have stalled? may they have stalled?
V-ing perfect
may I have been stalling? may you have been stalling? may she have been stalling? may we have been stalling? may you have been stalling? may they have been stalling?
Interro-negative form
Simple form
mayn't I stall? mayn't you stall? mayn't she stall? mayn't we stall? mayn't you stall? mayn't they stall?
V-ing form
mayn't I be stalling? mayn't you be stalling? mayn't she be stalling? mayn't we be stalling? mayn't you be stalling? mayn't they be stalling?
Perfect
mayn't I have stalled? mayn't you have stalled? mayn't she have stalled? mayn't we have stalled? mayn't you have stalled? mayn't they have stalled?
V-ing perfect
mayn't I have been stalling? mayn't you have been stalling? mayn't she have been stalling? mayn't we have been stalling? mayn't you have been stalling? mayn't they have been stalling?