English verb conjugation
CAN CORKSCREW

Regular verb: corkscrew - corkscrewed - corkscrewed

Affirmation

Simple form	V-ing form
I can corkscrew you can corkscrew he can corkscrew we can corkscrew you can corkscrew they can corkscrew	I can be corkscrewing you can be corkscrewing he can be corkscrewing we can be corkscrewing you can be corkscrewing they can be corkscrewing
Perfect	V-ing perfect
I can have corkscrewed you can have corkscrewed he can have corkscrewed we can have corkscrewed you can have corkscrewed they can have corkscrewed	I can have been corkscrewing you can have been corkscrewing he can have been corkscrewing we can have been corkscrewing you can have been corkscrewing they can have been corkscrewing

Negation

Simple form	V-ing form
I cannot corkscrew you cannot corkscrew he cannot corkscrew we cannot corkscrew you cannot corkscrew they cannot corkscrew	I cannot be corkscrewing you cannot be corkscrewing he cannot be corkscrewing we cannot be corkscrewing you cannot be corkscrewing they cannot be corkscrewing
Perfect	V-ing perfect
I cannot have corkscrewed you cannot have corkscrewed he cannot have corkscrewed we cannot have corkscrewed you cannot have corkscrewed they cannot have corkscrewed	I cannot have been corkscrewing you cannot have been corkscrewing he cannot have been corkscrewing we cannot have been corkscrewing you cannot have been corkscrewing they cannot have been corkscrewing

Interrogative form

Simple form	V-ing form
can I corkscrew? can you corkscrew? can he corkscrew? can we corkscrew? can you corkscrew? can they corkscrew?	can I be corkscrewing? can you be corkscrewing? can he be corkscrewing? can we be corkscrewing? can you be corkscrewing? can they be corkscrewing?
Perfect	V-ing perfect
can I have corkscrewed? can you have corkscrewed? can he have corkscrewed? can we have corkscrewed? can you have corkscrewed? can they have corkscrewed?	can I have been corkscrewing? can you have been corkscrewing? can he have been corkscrewing? can we have been corkscrewing? can you have been corkscrewing? can they have been corkscrewing?

Interro-negative form

Simple form	V-ing form
can I not corkscrew? can you not corkscrew? can he not corkscrew? can we not corkscrew? can you not corkscrew? can they not corkscrew?	can I not be corkscrewing? can you not be corkscrewing? can he not be corkscrewing? can we not be corkscrewing? can you not be corkscrewing? can they not be corkscrewing?
Perfect	V-ing perfect
can I not have corkscrewed? can you not have corkscrewed? can he not have corkscrewed? can we not have corkscrewed? can you not have corkscrewed? can they not have corkscrewed?	can I not have been corkscrewing? can you not have been corkscrewing? can he not have been corkscrewing? can we not have been corkscrewing? can you not have been corkscrewing? can they not have been corkscrewing?