English verb conjugation
CAN RICK

Regular verb: rick - ricked - ricked

Affirmation

Simple form	V-ing form
I can rick you can rick he can rick we can rick you can rick they can rick	I can be ricking you can be ricking he can be ricking we can be ricking you can be ricking they can be ricking
Perfect	V-ing perfect
I can have ricked you can have ricked he can have ricked we can have ricked you can have ricked they can have ricked	I can have been ricking you can have been ricking he can have been ricking we can have been ricking you can have been ricking they can have been ricking

Negation

Simple form	V-ing form
I cannot rick you cannot rick he cannot rick we cannot rick you cannot rick they cannot rick	I cannot be ricking you cannot be ricking he cannot be ricking we cannot be ricking you cannot be ricking they cannot be ricking
Perfect	V-ing perfect
I cannot have ricked you cannot have ricked he cannot have ricked we cannot have ricked you cannot have ricked they cannot have ricked	I cannot have been ricking you cannot have been ricking he cannot have been ricking we cannot have been ricking you cannot have been ricking they cannot have been ricking

Interrogative form

Simple form	V-ing form
can I rick? can you rick? can he rick? can we rick? can you rick? can they rick?	can I be ricking? can you be ricking? can he be ricking? can we be ricking? can you be ricking? can they be ricking?
Perfect	V-ing perfect
can I have ricked? can you have ricked? can he have ricked? can we have ricked? can you have ricked? can they have ricked?	can I have been ricking? can you have been ricking? can he have been ricking? can we have been ricking? can you have been ricking? can they have been ricking?

Interro-negative form

Simple form	V-ing form
can I not rick? can you not rick? can he not rick? can we not rick? can you not rick? can they not rick?	can I not be ricking? can you not be ricking? can he not be ricking? can we not be ricking? can you not be ricking? can they not be ricking?
Perfect	V-ing perfect
can I not have ricked? can you not have ricked? can he not have ricked? can we not have ricked? can you not have ricked? can they not have ricked?	can I not have been ricking? can you not have been ricking? can he not have been ricking? can we not have been ricking? can you not have been ricking? can they not have been ricking?