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