English verb conjugation
CAN STIFF-ARM

Regular verb: stiff-arm - stiff-armed - stiff-armed

Affirmation

Simple form	V-ing form
I can stiff-arm you can stiff-arm he can stiff-arm we can stiff-arm you can stiff-arm they can stiff-arm	I can be stiff-arming you can be stiff-arming he can be stiff-arming we can be stiff-arming you can be stiff-arming they can be stiff-arming
Perfect	V-ing perfect
I can have stiff-armed you can have stiff-armed he can have stiff-armed we can have stiff-armed you can have stiff-armed they can have stiff-armed	I can have been stiff-arming you can have been stiff-arming he can have been stiff-arming we can have been stiff-arming you can have been stiff-arming they can have been stiff-arming

Negation

Simple form	V-ing form
I cannot stiff-arm you cannot stiff-arm he cannot stiff-arm we cannot stiff-arm you cannot stiff-arm they cannot stiff-arm	I cannot be stiff-arming you cannot be stiff-arming he cannot be stiff-arming we cannot be stiff-arming you cannot be stiff-arming they cannot be stiff-arming
Perfect	V-ing perfect
I cannot have stiff-armed you cannot have stiff-armed he cannot have stiff-armed we cannot have stiff-armed you cannot have stiff-armed they cannot have stiff-armed	I cannot have been stiff-arming you cannot have been stiff-arming he cannot have been stiff-arming we cannot have been stiff-arming you cannot have been stiff-arming they cannot have been stiff-arming

Interrogative form

Simple form	V-ing form
can I stiff-arm? can you stiff-arm? can he stiff-arm? can we stiff-arm? can you stiff-arm? can they stiff-arm?	can I be stiff-arming? can you be stiff-arming? can he be stiff-arming? can we be stiff-arming? can you be stiff-arming? can they be stiff-arming?
Perfect	V-ing perfect
can I have stiff-armed? can you have stiff-armed? can he have stiff-armed? can we have stiff-armed? can you have stiff-armed? can they have stiff-armed?	can I have been stiff-arming? can you have been stiff-arming? can he have been stiff-arming? can we have been stiff-arming? can you have been stiff-arming? can they have been stiff-arming?

Interro-negative form

Simple form	V-ing form
can I not stiff-arm? can you not stiff-arm? can he not stiff-arm? can we not stiff-arm? can you not stiff-arm? can they not stiff-arm?	can I not be stiff-arming? can you not be stiff-arming? can he not be stiff-arming? can we not be stiff-arming? can you not be stiff-arming? can they not be stiff-arming?
Perfect	V-ing perfect
can I not have stiff-armed? can you not have stiff-armed? can he not have stiff-armed? can we not have stiff-armed? can you not have stiff-armed? can they not have stiff-armed?	can I not have been stiff-arming? can you not have been stiff-arming? can he not have been stiff-arming? can we not have been stiff-arming? can you not have been stiff-arming? can they not have been stiff-arming?