English verb conjugation
SHOULD SHIRR

Regular verb: shirr - shirred - shirred

Affirmation

Simple form	V-ing form
I'd shirr you'd shirr he'd shirr we'd shirr you'd shirr they'd shirr	I'd be shirring you'd be shirring he'd be shirring we'd be shirring you'd be shirring they'd be shirring
Perfect	V-ing perfect
I should've shirred you should've shirred he should've shirred we should've shirred you should've shirred they should've shirred	I should've been shirring you should've been shirring he should've been shirring we should've been shirring you should've been shirring they should've been shirring

Negation

Simple form	V-ing form
I shouldn't shirr you shouldn't shirr he shouldn't shirr we shouldn't shirr you shouldn't shirr they shouldn't shirr	I shouldn't be shirring you shouldn't be shirring he shouldn't be shirring we shouldn't be shirring you shouldn't be shirring they shouldn't be shirring
Perfect	V-ing perfect
I shouldn't have shirred you shouldn't have shirred he shouldn't have shirred we shouldn't have shirred you shouldn't have shirred they shouldn't have shirred	I shouldn't have been shirring you shouldn't have been shirring he shouldn't have been shirring we shouldn't have been shirring you shouldn't have been shirring they shouldn't have been shirring

Interrogative form

Simple form	V-ing form
should I shirr? should you shirr? should he shirr? should we shirr? should you shirr? should they shirr?	should I be shirring? should you be shirring? should he be shirring? should we be shirring? should you be shirring? should they be shirring?
Perfect	V-ing perfect
should I have shirred? should you have shirred? should he have shirred? should we have shirred? should you have shirred? should they have shirred?	should I have been shirring? should you have been shirring? should he have been shirring? should we have been shirring? should you have been shirring? should they have been shirring?

Interro-negative form

Simple form	V-ing form
shouldn't I shirr? shouldn't you shirr? shouldn't he shirr? shouldn't we shirr? shouldn't you shirr? shouldn't they shirr?	shouldn't I be shirring? shouldn't you be shirring? shouldn't he be shirring? shouldn't we be shirring? shouldn't you be shirring? shouldn't they be shirring?
Perfect	V-ing perfect
shouldn't I have shirred? shouldn't you have shirred? shouldn't he have shirred? shouldn't we have shirred? shouldn't you have shirred? shouldn't they have shirred?	shouldn't I have been shirring? shouldn't you have been shirring? shouldn't he have been shirring? shouldn't we have been shirring? shouldn't you have been shirring? shouldn't they have been shirring?