English verb conjugation
SHOULD RIFLE

Regular verb: rifle - rifled - rifled

Affirmation

Simple form	V-ing form
I'd rifle you'd rifle he'd rifle we'd rifle you'd rifle they'd rifle	I'd be rifling you'd be rifling he'd be rifling we'd be rifling you'd be rifling they'd be rifling
Perfect	V-ing perfect
I should've rifled you should've rifled he should've rifled we should've rifled you should've rifled they should've rifled	I should've been rifling you should've been rifling he should've been rifling we should've been rifling you should've been rifling they should've been rifling

Negation

Simple form	V-ing form
I shouldn't rifle you shouldn't rifle he shouldn't rifle we shouldn't rifle you shouldn't rifle they shouldn't rifle	I shouldn't be rifling you shouldn't be rifling he shouldn't be rifling we shouldn't be rifling you shouldn't be rifling they shouldn't be rifling
Perfect	V-ing perfect
I shouldn't have rifled you shouldn't have rifled he shouldn't have rifled we shouldn't have rifled you shouldn't have rifled they shouldn't have rifled	I shouldn't have been rifling you shouldn't have been rifling he shouldn't have been rifling we shouldn't have been rifling you shouldn't have been rifling they shouldn't have been rifling

Interrogative form

Simple form	V-ing form
should I rifle? should you rifle? should he rifle? should we rifle? should you rifle? should they rifle?	should I be rifling? should you be rifling? should he be rifling? should we be rifling? should you be rifling? should they be rifling?
Perfect	V-ing perfect
should I have rifled? should you have rifled? should he have rifled? should we have rifled? should you have rifled? should they have rifled?	should I have been rifling? should you have been rifling? should he have been rifling? should we have been rifling? should you have been rifling? should they have been rifling?

Interro-negative form

Simple form	V-ing form
shouldn't I rifle? shouldn't you rifle? shouldn't he rifle? shouldn't we rifle? shouldn't you rifle? shouldn't they rifle?	shouldn't I be rifling? shouldn't you be rifling? shouldn't he be rifling? shouldn't we be rifling? shouldn't you be rifling? shouldn't they be rifling?
Perfect	V-ing perfect
shouldn't I have rifled? shouldn't you have rifled? shouldn't he have rifled? shouldn't we have rifled? shouldn't you have rifled? shouldn't they have rifled?	shouldn't I have been rifling? shouldn't you have been rifling? shouldn't he have been rifling? shouldn't we have been rifling? shouldn't you have been rifling? shouldn't they have been rifling?