English verb conjugation
SHOULD FLY

Irregular verb: fly - flew - flown

Affirmation

Simple form	V-ing form
I'd fly you'd fly he'd fly we'd fly you'd fly they'd fly	I'd be flying you'd be flying he'd be flying we'd be flying you'd be flying they'd be flying
Perfect	V-ing perfect
I should've flown you should've flown he should've flown we should've flown you should've flown they should've flown	I should've been flying you should've been flying he should've been flying we should've been flying you should've been flying they should've been flying

Negation

Simple form	V-ing form
I shouldn't fly you shouldn't fly he shouldn't fly we shouldn't fly you shouldn't fly they shouldn't fly	I shouldn't be flying you shouldn't be flying he shouldn't be flying we shouldn't be flying you shouldn't be flying they shouldn't be flying
Perfect	V-ing perfect
I shouldn't have flown you shouldn't have flown he shouldn't have flown we shouldn't have flown you shouldn't have flown they shouldn't have flown	I shouldn't have been flying you shouldn't have been flying he shouldn't have been flying we shouldn't have been flying you shouldn't have been flying they shouldn't have been flying

Interrogative form

Simple form	V-ing form
should I fly? should you fly? should he fly? should we fly? should you fly? should they fly?	should I be flying? should you be flying? should he be flying? should we be flying? should you be flying? should they be flying?
Perfect	V-ing perfect
should I have flown? should you have flown? should he have flown? should we have flown? should you have flown? should they have flown?	should I have been flying? should you have been flying? should he have been flying? should we have been flying? should you have been flying? should they have been flying?

Interro-negative form

Simple form	V-ing form
shouldn't I fly? shouldn't you fly? shouldn't he fly? shouldn't we fly? shouldn't you fly? shouldn't they fly?	shouldn't I be flying? shouldn't you be flying? shouldn't he be flying? shouldn't we be flying? shouldn't you be flying? shouldn't they be flying?
Perfect	V-ing perfect
shouldn't I have flown? shouldn't you have flown? shouldn't he have flown? shouldn't we have flown? shouldn't you have flown? shouldn't they have flown?	shouldn't I have been flying? shouldn't you have been flying? shouldn't he have been flying? shouldn't we have been flying? shouldn't you have been flying? shouldn't they have been flying?