English verb conjugation
SHOULD FIFE

Regular verb: fife - fifed - fifed

Affirmation

Simple form	V-ing form
I'd fife you'd fife she'd fife we'd fife you'd fife they'd fife	I'd be fifing you'd be fifing she'd be fifing we'd be fifing you'd be fifing they'd be fifing
Perfect	V-ing perfect
I should've fifed you should've fifed she should've fifed we should've fifed you should've fifed they should've fifed	I should've been fifing you should've been fifing she should've been fifing we should've been fifing you should've been fifing they should've been fifing

Negation

Simple form	V-ing form
I shouldn't fife you shouldn't fife she shouldn't fife we shouldn't fife you shouldn't fife they shouldn't fife	I shouldn't be fifing you shouldn't be fifing she shouldn't be fifing we shouldn't be fifing you shouldn't be fifing they shouldn't be fifing
Perfect	V-ing perfect
I shouldn't have fifed you shouldn't have fifed she shouldn't have fifed we shouldn't have fifed you shouldn't have fifed they shouldn't have fifed	I shouldn't have been fifing you shouldn't have been fifing she shouldn't have been fifing we shouldn't have been fifing you shouldn't have been fifing they shouldn't have been fifing

Interrogative form

Simple form	V-ing form
should I fife? should you fife? should she fife? should we fife? should you fife? should they fife?	should I be fifing? should you be fifing? should she be fifing? should we be fifing? should you be fifing? should they be fifing?
Perfect	V-ing perfect
should I have fifed? should you have fifed? should she have fifed? should we have fifed? should you have fifed? should they have fifed?	should I have been fifing? should you have been fifing? should she have been fifing? should we have been fifing? should you have been fifing? should they have been fifing?

Interro-negative form

Simple form	V-ing form
shouldn't I fife? shouldn't you fife? shouldn't she fife? shouldn't we fife? shouldn't you fife? shouldn't they fife?	shouldn't I be fifing? shouldn't you be fifing? shouldn't she be fifing? shouldn't we be fifing? shouldn't you be fifing? shouldn't they be fifing?
Perfect	V-ing perfect
shouldn't I have fifed? shouldn't you have fifed? shouldn't she have fifed? shouldn't we have fifed? shouldn't you have fifed? shouldn't they have fifed?	shouldn't I have been fifing? shouldn't you have been fifing? shouldn't she have been fifing? shouldn't we have been fifing? shouldn't you have been fifing? shouldn't they have been fifing?