I'd be aviating you'd be aviating he'd be aviating we'd be aviating you'd be aviating they'd be aviating
Perfect
I should've aviated you should've aviated he should've aviated we should've aviated you should've aviated they should've aviated
V-ing perfect
I should've been aviating you should've been aviating he should've been aviating we should've been aviating you should've been aviating they should've been aviating
Negation
Simple form
I shouldn't aviate you shouldn't aviate he shouldn't aviate we shouldn't aviate you shouldn't aviate they shouldn't aviate
V-ing form
I shouldn't be aviating you shouldn't be aviating he shouldn't be aviating we shouldn't be aviating you shouldn't be aviating they shouldn't be aviating
Perfect
I shouldn't have aviated you shouldn't have aviated he shouldn't have aviated we shouldn't have aviated you shouldn't have aviated they shouldn't have aviated
V-ing perfect
I shouldn't have been aviating you shouldn't have been aviating he shouldn't have been aviating we shouldn't have been aviating you shouldn't have been aviating they shouldn't have been aviating
Interrogative form
Simple form
should I aviate? should you aviate? should he aviate? should we aviate? should you aviate? should they aviate?
V-ing form
should I be aviating? should you be aviating? should he be aviating? should we be aviating? should you be aviating? should they be aviating?
Perfect
should I have aviated? should you have aviated? should he have aviated? should we have aviated? should you have aviated? should they have aviated?
V-ing perfect
should I have been aviating? should you have been aviating? should he have been aviating? should we have been aviating? should you have been aviating? should they have been aviating?
Interro-negative form
Simple form
shouldn't I aviate? shouldn't you aviate? shouldn't he aviate? shouldn't we aviate? shouldn't you aviate? shouldn't they aviate?
V-ing form
shouldn't I be aviating? shouldn't you be aviating? shouldn't he be aviating? shouldn't we be aviating? shouldn't you be aviating? shouldn't they be aviating?
Perfect
shouldn't I have aviated? shouldn't you have aviated? shouldn't he have aviated? shouldn't we have aviated? shouldn't you have aviated? shouldn't they have aviated?
V-ing perfect
shouldn't I have been aviating? shouldn't you have been aviating? shouldn't he have been aviating? shouldn't we have been aviating? shouldn't you have been aviating? shouldn't they have been aviating?