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