English verb conjugation
COULD STRAIGHT-ARM

Regular verb: straight-arm - straight-armed - straight-armed

Affirmation

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

Negation

Simple form	V-ing form
I could not straight-arm you could not straight-arm he could not straight-arm we could not straight-arm you could not straight-arm they could not straight-arm	I could not be straight-arming you could not be straight-arming he could not be straight-arming we could not be straight-arming you could not be straight-arming they could not be straight-arming
Perfect	V-ing perfect
I could not have straight-armed you could not have straight-armed he could not have straight-armed we could not have straight-armed you could not have straight-armed they could not have straight-armed	I could not have been straight-arming you could not have been straight-arming he could not have been straight-arming we could not have been straight-arming you could not have been straight-arming they could not have been straight-arming

Interrogative form

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

Interro-negative form

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