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