English verb conjugation
SHOULD SCREW

Regular verb: screw - screwed - screwed

Affirmation

Simple form	V-ing form
I'd screw you'd screw he'd screw we'd screw you'd screw they'd screw	I'd be screwing you'd be screwing he'd be screwing we'd be screwing you'd be screwing they'd be screwing
Perfect	V-ing perfect
I should've screwed you should've screwed he should've screwed we should've screwed you should've screwed they should've screwed	I should've been screwing you should've been screwing he should've been screwing we should've been screwing you should've been screwing they should've been screwing

Negation

Simple form	V-ing form
I shouldn't screw you shouldn't screw he shouldn't screw we shouldn't screw you shouldn't screw they shouldn't screw	I shouldn't be screwing you shouldn't be screwing he shouldn't be screwing we shouldn't be screwing you shouldn't be screwing they shouldn't be screwing
Perfect	V-ing perfect
I shouldn't have screwed you shouldn't have screwed he shouldn't have screwed we shouldn't have screwed you shouldn't have screwed they shouldn't have screwed	I shouldn't have been screwing you shouldn't have been screwing he shouldn't have been screwing we shouldn't have been screwing you shouldn't have been screwing they shouldn't have been screwing

Interrogative form

Simple form	V-ing form
should I screw? should you screw? should he screw? should we screw? should you screw? should they screw?	should I be screwing? should you be screwing? should he be screwing? should we be screwing? should you be screwing? should they be screwing?
Perfect	V-ing perfect
should I have screwed? should you have screwed? should he have screwed? should we have screwed? should you have screwed? should they have screwed?	should I have been screwing? should you have been screwing? should he have been screwing? should we have been screwing? should you have been screwing? should they have been screwing?

Interro-negative form

Simple form	V-ing form
shouldn't I screw? shouldn't you screw? shouldn't he screw? shouldn't we screw? shouldn't you screw? shouldn't they screw?	shouldn't I be screwing? shouldn't you be screwing? shouldn't he be screwing? shouldn't we be screwing? shouldn't you be screwing? shouldn't they be screwing?
Perfect	V-ing perfect
shouldn't I have screwed? shouldn't you have screwed? shouldn't he have screwed? shouldn't we have screwed? shouldn't you have screwed? shouldn't they have screwed?	shouldn't I have been screwing? shouldn't you have been screwing? shouldn't he have been screwing? shouldn't we have been screwing? shouldn't you have been screwing? shouldn't they have been screwing?