I'd be four-flushing you'd be four-flushing he'd be four-flushing we'd be four-flushing you'd be four-flushing they'd be four-flushing
Perfect
I should've four-flushed you should've four-flushed he should've four-flushed we should've four-flushed you should've four-flushed they should've four-flushed
V-ing perfect
I should've been four-flushing you should've been four-flushing he should've been four-flushing we should've been four-flushing you should've been four-flushing they should've been four-flushing
Negation
Simple form
I shouldn't four-flush you shouldn't four-flush he shouldn't four-flush we shouldn't four-flush you shouldn't four-flush they shouldn't four-flush
V-ing form
I shouldn't be four-flushing you shouldn't be four-flushing he shouldn't be four-flushing we shouldn't be four-flushing you shouldn't be four-flushing they shouldn't be four-flushing
Perfect
I shouldn't have four-flushed you shouldn't have four-flushed he shouldn't have four-flushed we shouldn't have four-flushed you shouldn't have four-flushed they shouldn't have four-flushed
V-ing perfect
I shouldn't have been four-flushing you shouldn't have been four-flushing he shouldn't have been four-flushing we shouldn't have been four-flushing you shouldn't have been four-flushing they shouldn't have been four-flushing
Interrogative form
Simple form
should I four-flush? should you four-flush? should he four-flush? should we four-flush? should you four-flush? should they four-flush?
V-ing form
should I be four-flushing? should you be four-flushing? should he be four-flushing? should we be four-flushing? should you be four-flushing? should they be four-flushing?
Perfect
should I have four-flushed? should you have four-flushed? should he have four-flushed? should we have four-flushed? should you have four-flushed? should they have four-flushed?
V-ing perfect
should I have been four-flushing? should you have been four-flushing? should he have been four-flushing? should we have been four-flushing? should you have been four-flushing? should they have been four-flushing?
Interro-negative form
Simple form
shouldn't I four-flush? shouldn't you four-flush? shouldn't he four-flush? shouldn't we four-flush? shouldn't you four-flush? shouldn't they four-flush?
V-ing form
shouldn't I be four-flushing? shouldn't you be four-flushing? shouldn't he be four-flushing? shouldn't we be four-flushing? shouldn't you be four-flushing? shouldn't they be four-flushing?
Perfect
shouldn't I have four-flushed? shouldn't you have four-flushed? shouldn't he have four-flushed? shouldn't we have four-flushed? shouldn't you have four-flushed? shouldn't they have four-flushed?
V-ing perfect
shouldn't I have been four-flushing? shouldn't you have been four-flushing? shouldn't he have been four-flushing? shouldn't we have been four-flushing? shouldn't you have been four-flushing? shouldn't they have been four-flushing?