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