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 can't stall you can't stall he can't stall we can't stall you can't stall they can't stall	I can't be stalling you can't be stalling he can't be stalling we can't be stalling you can't be stalling they can't be stalling
Perfect	V-ing perfect
I can't have stalled you can't have stalled he can't have stalled we can't have stalled you can't have stalled they can't have stalled	I can't have been stalling you can't have been stalling he can't have been stalling we can't have been stalling you can't have been stalling they can't 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't I stall? can't you stall? can't he stall? can't we stall? can't you stall? can't they stall?	can't I be stalling? can't you be stalling? can't he be stalling? can't we be stalling? can't you be stalling? can't they be stalling?
Perfect	V-ing perfect
can't I have stalled? can't you have stalled? can't he have stalled? can't we have stalled? can't you have stalled? can't they have stalled?	can't I have been stalling? can't you have been stalling? can't he have been stalling? can't we have been stalling? can't you have been stalling? can't they have been stalling?