English verb conjugation
SHOULD SWAB

Regular verb: swab - swabed - swabed

Affirmation

Simple form	V-ing form
I'd swab you'd swab he'd swab we'd swab you'd swab they'd swab	I'd be swabing you'd be swabing he'd be swabing we'd be swabing you'd be swabing they'd be swabing
Perfect	V-ing perfect
I should've swabed you should've swabed he should've swabed we should've swabed you should've swabed they should've swabed	I should've been swabing you should've been swabing he should've been swabing we should've been swabing you should've been swabing they should've been swabing

Negation

Simple form	V-ing form
I shouldn't swab you shouldn't swab he shouldn't swab we shouldn't swab you shouldn't swab they shouldn't swab	I shouldn't be swabing you shouldn't be swabing he shouldn't be swabing we shouldn't be swabing you shouldn't be swabing they shouldn't be swabing
Perfect	V-ing perfect
I shouldn't have swabed you shouldn't have swabed he shouldn't have swabed we shouldn't have swabed you shouldn't have swabed they shouldn't have swabed	I shouldn't have been swabing you shouldn't have been swabing he shouldn't have been swabing we shouldn't have been swabing you shouldn't have been swabing they shouldn't have been swabing

Interrogative form

Simple form	V-ing form
should I swab? should you swab? should he swab? should we swab? should you swab? should they swab?	should I be swabing? should you be swabing? should he be swabing? should we be swabing? should you be swabing? should they be swabing?
Perfect	V-ing perfect
should I have swabed? should you have swabed? should he have swabed? should we have swabed? should you have swabed? should they have swabed?	should I have been swabing? should you have been swabing? should he have been swabing? should we have been swabing? should you have been swabing? should they have been swabing?

Interro-negative form

Simple form	V-ing form
shouldn't I swab? shouldn't you swab? shouldn't he swab? shouldn't we swab? shouldn't you swab? shouldn't they swab?	shouldn't I be swabing? shouldn't you be swabing? shouldn't he be swabing? shouldn't we be swabing? shouldn't you be swabing? shouldn't they be swabing?
Perfect	V-ing perfect
shouldn't I have swabed? shouldn't you have swabed? shouldn't he have swabed? shouldn't we have swabed? shouldn't you have swabed? shouldn't they have swabed?	shouldn't I have been swabing? shouldn't you have been swabing? shouldn't he have been swabing? shouldn't we have been swabing? shouldn't you have been swabing? shouldn't they have been swabing?