English verb conjugation
SHOULD LEVEL

Regular verb: level - levelled - levelled

Affirmation

Simple form	V-ing form
I'd level you'd level she'd level we'd level you'd level they'd level	I'd be levelling you'd be levelling she'd be levelling we'd be levelling you'd be levelling they'd be levelling
Perfect	V-ing perfect
I should've levelled you should've levelled she should've levelled we should've levelled you should've levelled they should've levelled	I should've been levelling you should've been levelling she should've been levelling we should've been levelling you should've been levelling they should've been levelling

Negation

Simple form	V-ing form
I shouldn't level you shouldn't level she shouldn't level we shouldn't level you shouldn't level they shouldn't level	I shouldn't be levelling you shouldn't be levelling she shouldn't be levelling we shouldn't be levelling you shouldn't be levelling they shouldn't be levelling
Perfect	V-ing perfect
I shouldn't have levelled you shouldn't have levelled she shouldn't have levelled we shouldn't have levelled you shouldn't have levelled they shouldn't have levelled	I shouldn't have been levelling you shouldn't have been levelling she shouldn't have been levelling we shouldn't have been levelling you shouldn't have been levelling they shouldn't have been levelling

Interrogative form

Simple form	V-ing form
should I level? should you level? should she level? should we level? should you level? should they level?	should I be levelling? should you be levelling? should she be levelling? should we be levelling? should you be levelling? should they be levelling?
Perfect	V-ing perfect
should I have levelled? should you have levelled? should she have levelled? should we have levelled? should you have levelled? should they have levelled?	should I have been levelling? should you have been levelling? should she have been levelling? should we have been levelling? should you have been levelling? should they have been levelling?

Interro-negative form

Simple form	V-ing form
shouldn't I level? shouldn't you level? shouldn't she level? shouldn't we level? shouldn't you level? shouldn't they level?	shouldn't I be levelling? shouldn't you be levelling? shouldn't she be levelling? shouldn't we be levelling? shouldn't you be levelling? shouldn't they be levelling?
Perfect	V-ing perfect
shouldn't I have levelled? shouldn't you have levelled? shouldn't she have levelled? shouldn't we have levelled? shouldn't you have levelled? shouldn't they have levelled?	shouldn't I have been levelling? shouldn't you have been levelling? shouldn't she have been levelling? shouldn't we have been levelling? shouldn't you have been levelling? shouldn't they have been levelling?