English verb conjugation
SHOULD GULL

Regular verb: gull - gulled - gulled

Affirmation

Simple form	V-ing form
I'd gull you'd gull he'd gull we'd gull you'd gull they'd gull	I'd be gulling you'd be gulling he'd be gulling we'd be gulling you'd be gulling they'd be gulling
Perfect	V-ing perfect
I should've gulled you should've gulled he should've gulled we should've gulled you should've gulled they should've gulled	I should've been gulling you should've been gulling he should've been gulling we should've been gulling you should've been gulling they should've been gulling

Negation

Simple form	V-ing form
I shouldn't gull you shouldn't gull he shouldn't gull we shouldn't gull you shouldn't gull they shouldn't gull	I shouldn't be gulling you shouldn't be gulling he shouldn't be gulling we shouldn't be gulling you shouldn't be gulling they shouldn't be gulling
Perfect	V-ing perfect
I shouldn't have gulled you shouldn't have gulled he shouldn't have gulled we shouldn't have gulled you shouldn't have gulled they shouldn't have gulled	I shouldn't have been gulling you shouldn't have been gulling he shouldn't have been gulling we shouldn't have been gulling you shouldn't have been gulling they shouldn't have been gulling

Interrogative form

Simple form	V-ing form
should I gull? should you gull? should he gull? should we gull? should you gull? should they gull?	should I be gulling? should you be gulling? should he be gulling? should we be gulling? should you be gulling? should they be gulling?
Perfect	V-ing perfect
should I have gulled? should you have gulled? should he have gulled? should we have gulled? should you have gulled? should they have gulled?	should I have been gulling? should you have been gulling? should he have been gulling? should we have been gulling? should you have been gulling? should they have been gulling?

Interro-negative form

Simple form	V-ing form
shouldn't I gull? shouldn't you gull? shouldn't he gull? shouldn't we gull? shouldn't you gull? shouldn't they gull?	shouldn't I be gulling? shouldn't you be gulling? shouldn't he be gulling? shouldn't we be gulling? shouldn't you be gulling? shouldn't they be gulling?
Perfect	V-ing perfect
shouldn't I have gulled? shouldn't you have gulled? shouldn't he have gulled? shouldn't we have gulled? shouldn't you have gulled? shouldn't they have gulled?	shouldn't I have been gulling? shouldn't you have been gulling? shouldn't he have been gulling? shouldn't we have been gulling? shouldn't you have been gulling? shouldn't they have been gulling?