English verb conjugation
SHOULD FLUCTUATE

Regular verb: fluctuate - fluctuated - fluctuated

Affirmation

Simple form	V-ing form
I'd fluctuate you'd fluctuate he'd fluctuate we'd fluctuate you'd fluctuate they'd fluctuate	I'd be fluctuating you'd be fluctuating he'd be fluctuating we'd be fluctuating you'd be fluctuating they'd be fluctuating
Perfect	V-ing perfect
I should've fluctuated you should've fluctuated he should've fluctuated we should've fluctuated you should've fluctuated they should've fluctuated	I should've been fluctuating you should've been fluctuating he should've been fluctuating we should've been fluctuating you should've been fluctuating they should've been fluctuating

Negation

Simple form	V-ing form
I shouldn't fluctuate you shouldn't fluctuate he shouldn't fluctuate we shouldn't fluctuate you shouldn't fluctuate they shouldn't fluctuate	I shouldn't be fluctuating you shouldn't be fluctuating he shouldn't be fluctuating we shouldn't be fluctuating you shouldn't be fluctuating they shouldn't be fluctuating
Perfect	V-ing perfect
I shouldn't have fluctuated you shouldn't have fluctuated he shouldn't have fluctuated we shouldn't have fluctuated you shouldn't have fluctuated they shouldn't have fluctuated	I shouldn't have been fluctuating you shouldn't have been fluctuating he shouldn't have been fluctuating we shouldn't have been fluctuating you shouldn't have been fluctuating they shouldn't have been fluctuating

Interrogative form

Simple form	V-ing form
should I fluctuate? should you fluctuate? should he fluctuate? should we fluctuate? should you fluctuate? should they fluctuate?	should I be fluctuating? should you be fluctuating? should he be fluctuating? should we be fluctuating? should you be fluctuating? should they be fluctuating?
Perfect	V-ing perfect
should I have fluctuated? should you have fluctuated? should he have fluctuated? should we have fluctuated? should you have fluctuated? should they have fluctuated?	should I have been fluctuating? should you have been fluctuating? should he have been fluctuating? should we have been fluctuating? should you have been fluctuating? should they have been fluctuating?

Interro-negative form

Simple form	V-ing form
shouldn't I fluctuate? shouldn't you fluctuate? shouldn't he fluctuate? shouldn't we fluctuate? shouldn't you fluctuate? shouldn't they fluctuate?	shouldn't I be fluctuating? shouldn't you be fluctuating? shouldn't he be fluctuating? shouldn't we be fluctuating? shouldn't you be fluctuating? shouldn't they be fluctuating?
Perfect	V-ing perfect
shouldn't I have fluctuated? shouldn't you have fluctuated? shouldn't he have fluctuated? shouldn't we have fluctuated? shouldn't you have fluctuated? shouldn't they have fluctuated?	shouldn't I have been fluctuating? shouldn't you have been fluctuating? shouldn't he have been fluctuating? shouldn't we have been fluctuating? shouldn't you have been fluctuating? shouldn't they have been fluctuating?