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