English verb conjugation
CAN RIGHTEN

Regular verb: righten - rightened - rightened

Affirmation

Simple form	V-ing form
I can righten you can righten he can righten we can righten you can righten they can righten	I can be rightening you can be rightening he can be rightening we can be rightening you can be rightening they can be rightening
Perfect	V-ing perfect
I can have rightened you can have rightened he can have rightened we can have rightened you can have rightened they can have rightened	I can have been rightening you can have been rightening he can have been rightening we can have been rightening you can have been rightening they can have been rightening

Negation

Simple form	V-ing form
I can't righten you can't righten he can't righten we can't righten you can't righten they can't righten	I can't be rightening you can't be rightening he can't be rightening we can't be rightening you can't be rightening they can't be rightening
Perfect	V-ing perfect
I can't have rightened you can't have rightened he can't have rightened we can't have rightened you can't have rightened they can't have rightened	I can't have been rightening you can't have been rightening he can't have been rightening we can't have been rightening you can't have been rightening they can't have been rightening

Interrogative form

Simple form	V-ing form
can I righten? can you righten? can he righten? can we righten? can you righten? can they righten?	can I be rightening? can you be rightening? can he be rightening? can we be rightening? can you be rightening? can they be rightening?
Perfect	V-ing perfect
can I have rightened? can you have rightened? can he have rightened? can we have rightened? can you have rightened? can they have rightened?	can I have been rightening? can you have been rightening? can he have been rightening? can we have been rightening? can you have been rightening? can they have been rightening?

Interro-negative form

Simple form	V-ing form
can't I righten? can't you righten? can't he righten? can't we righten? can't you righten? can't they righten?	can't I be rightening? can't you be rightening? can't he be rightening? can't we be rightening? can't you be rightening? can't they be rightening?
Perfect	V-ing perfect
can't I have rightened? can't you have rightened? can't he have rightened? can't we have rightened? can't you have rightened? can't they have rightened?	can't I have been rightening? can't you have been rightening? can't he have been rightening? can't we have been rightening? can't you have been rightening? can't they have been rightening?