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