English verb conjugation
CAN STALL

Regular verb: stall - stalled - stalled

Affirmation

Simple form	V-ing form
I can stall you can stall he can stall we can stall you can stall they can stall	I can be stalling you can be stalling he can be stalling we can be stalling you can be stalling they can be stalling
Perfect	V-ing perfect
I can have stalled you can have stalled he can have stalled we can have stalled you can have stalled they can have stalled	I can have been stalling you can have been stalling he can have been stalling we can have been stalling you can have been stalling they can have been stalling

Negation

Simple form	V-ing form
I cannot stall you cannot stall he cannot stall we cannot stall you cannot stall they cannot stall	I cannot be stalling you cannot be stalling he cannot be stalling we cannot be stalling you cannot be stalling they cannot be stalling
Perfect	V-ing perfect
I cannot have stalled you cannot have stalled he cannot have stalled we cannot have stalled you cannot have stalled they cannot have stalled	I cannot have been stalling you cannot have been stalling he cannot have been stalling we cannot have been stalling you cannot have been stalling they cannot have been stalling

Interrogative form

Simple form	V-ing form
can I stall? can you stall? can he stall? can we stall? can you stall? can they stall?	can I be stalling? can you be stalling? can he be stalling? can we be stalling? can you be stalling? can they be stalling?
Perfect	V-ing perfect
can I have stalled? can you have stalled? can he have stalled? can we have stalled? can you have stalled? can they have stalled?	can I have been stalling? can you have been stalling? can he have been stalling? can we have been stalling? can you have been stalling? can they have been stalling?

Interro-negative form

Simple form	V-ing form
can I not stall? can you not stall? can he not stall? can we not stall? can you not stall? can they not stall?	can I not be stalling? can you not be stalling? can he not be stalling? can we not be stalling? can you not be stalling? can they not be stalling?
Perfect	V-ing perfect
can I not have stalled? can you not have stalled? can he not have stalled? can we not have stalled? can you not have stalled? can they not have stalled?	can I not have been stalling? can you not have been stalling? can he not have been stalling? can we not have been stalling? can you not have been stalling? can they not have been stalling?