I may stall you may stall he may stall we may stall you may stall they may stall
V-ing form
I may be stalling you may be stalling he may be stalling we may be stalling you may be stalling they may be stalling
Perfect
I may have stalled you may have stalled he 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 he may have been stalling we may have been stalling you may have been stalling they may have been stalling
Negation
Simple form
I may not stall you may not stall he may not stall we may not stall you may not stall they may not stall
V-ing form
I may not be stalling you may not be stalling he may not be stalling we may not be stalling you may not be stalling they may not be stalling
Perfect
I may not have stalled you may not have stalled he may not have stalled we may not have stalled you may not have stalled they may not have stalled
V-ing perfect
I may not have been stalling you may not have been stalling he may not have been stalling we may not have been stalling you may not have been stalling they may not have been stalling
Interrogative form
Simple form
may I stall? may you stall? may he stall? may we stall? may you stall? may they stall?
V-ing form
may I be stalling? may you be stalling? may he be stalling? may we be stalling? may you be stalling? may they be stalling?
Perfect
may I have stalled? may you have stalled? may he 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 he have been stalling? may we have been stalling? may you have been stalling? may they have been stalling?
Interro-negative form
Simple form
may I not stall? may you not stall? may he not stall? may we not stall? may you not stall? may they not stall?
V-ing form
may I not be stalling? may you not be stalling? may he not be stalling? may we not be stalling? may you not be stalling? may they not be stalling?
Perfect
may I not have stalled? may you not have stalled? may he not have stalled? may we not have stalled? may you not have stalled? may they not have stalled?
V-ing perfect
may I not have been stalling? may you not have been stalling? may he not have been stalling? may we not have been stalling? may you not have been stalling? may they not have been stalling?