English verb conjugation
SHOULD STRUM

Regular verb: strum - strummed - strummed

Affirmation

Simple form	V-ing form
I'd strum you'd strum he'd strum we'd strum you'd strum they'd strum	I'd be strumming you'd be strumming he'd be strumming we'd be strumming you'd be strumming they'd be strumming
Perfect	V-ing perfect
I should've strummed you should've strummed he should've strummed we should've strummed you should've strummed they should've strummed	I should've been strumming you should've been strumming he should've been strumming we should've been strumming you should've been strumming they should've been strumming

Negation

Simple form	V-ing form
I shouldn't strum you shouldn't strum he shouldn't strum we shouldn't strum you shouldn't strum they shouldn't strum	I shouldn't be strumming you shouldn't be strumming he shouldn't be strumming we shouldn't be strumming you shouldn't be strumming they shouldn't be strumming
Perfect	V-ing perfect
I shouldn't have strummed you shouldn't have strummed he shouldn't have strummed we shouldn't have strummed you shouldn't have strummed they shouldn't have strummed	I shouldn't have been strumming you shouldn't have been strumming he shouldn't have been strumming we shouldn't have been strumming you shouldn't have been strumming they shouldn't have been strumming

Interrogative form

Simple form	V-ing form
should I strum? should you strum? should he strum? should we strum? should you strum? should they strum?	should I be strumming? should you be strumming? should he be strumming? should we be strumming? should you be strumming? should they be strumming?
Perfect	V-ing perfect
should I have strummed? should you have strummed? should he have strummed? should we have strummed? should you have strummed? should they have strummed?	should I have been strumming? should you have been strumming? should he have been strumming? should we have been strumming? should you have been strumming? should they have been strumming?

Interro-negative form

Simple form	V-ing form
shouldn't I strum? shouldn't you strum? shouldn't he strum? shouldn't we strum? shouldn't you strum? shouldn't they strum?	shouldn't I be strumming? shouldn't you be strumming? shouldn't he be strumming? shouldn't we be strumming? shouldn't you be strumming? shouldn't they be strumming?
Perfect	V-ing perfect
shouldn't I have strummed? shouldn't you have strummed? shouldn't he have strummed? shouldn't we have strummed? shouldn't you have strummed? shouldn't they have strummed?	shouldn't I have been strumming? shouldn't you have been strumming? shouldn't he have been strumming? shouldn't we have been strumming? shouldn't you have been strumming? shouldn't they have been strumming?