Regular verb: corkscrew - corkscrewed - corkscrewed
Simple form | V-ing form |
I must corkscrew you must corkscrew he must corkscrew we must corkscrew you must corkscrew they must corkscrew | I must be corkscrewing you must be corkscrewing he must be corkscrewing we must be corkscrewing you must be corkscrewing they must be corkscrewing |
Perfect | V-ing perfect |
I must have corkscrewed you must have corkscrewed he must have corkscrewed we must have corkscrewed you must have corkscrewed they must have corkscrewed | I must have been corkscrewing you must have been corkscrewing he must have been corkscrewing we must have been corkscrewing you must have been corkscrewing they must have been corkscrewing |
Simple form | V-ing form |
I mustn't corkscrew you mustn't corkscrew he mustn't corkscrew we mustn't corkscrew you mustn't corkscrew they mustn't corkscrew | I mustn't be corkscrewing you mustn't be corkscrewing he mustn't be corkscrewing we mustn't be corkscrewing you mustn't be corkscrewing they mustn't be corkscrewing |
Perfect | V-ing perfect |
I mustn't have corkscrewed you mustn't have corkscrewed he mustn't have corkscrewed we mustn't have corkscrewed you mustn't have corkscrewed they mustn't have corkscrewed | I mustn't have been corkscrewing you mustn't have been corkscrewing he mustn't have been corkscrewing we mustn't have been corkscrewing you mustn't have been corkscrewing they mustn't have been corkscrewing |
Simple form | V-ing form |
must I corkscrew? must you corkscrew? must he corkscrew? must we corkscrew? must you corkscrew? must they corkscrew? | must I be corkscrewing? must you be corkscrewing? must he be corkscrewing? must we be corkscrewing? must you be corkscrewing? must they be corkscrewing? |
Perfect | V-ing perfect |
must I have corkscrewed? must you have corkscrewed? must he have corkscrewed? must we have corkscrewed? must you have corkscrewed? must they have corkscrewed? | must I have been corkscrewing? must you have been corkscrewing? must he have been corkscrewing? must we have been corkscrewing? must you have been corkscrewing? must they have been corkscrewing? |
Simple form | V-ing form |
mustn't I corkscrew? mustn't you corkscrew? mustn't he corkscrew? mustn't we corkscrew? mustn't you corkscrew? mustn't they corkscrew? | mustn't I be corkscrewing? mustn't you be corkscrewing? mustn't he be corkscrewing? mustn't we be corkscrewing? mustn't you be corkscrewing? mustn't they be corkscrewing? |
Perfect | V-ing perfect |
mustn't I have corkscrewed? mustn't you have corkscrewed? mustn't he have corkscrewed? mustn't we have corkscrewed? mustn't you have corkscrewed? mustn't they have corkscrewed? | mustn't I have been corkscrewing? mustn't you have been corkscrewing? mustn't he have been corkscrewing? mustn't we have been corkscrewing? mustn't you have been corkscrewing? mustn't they have been corkscrewing? |