should four-flush
Regular verb: four-flush - four-flushed- four-flushed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd four-flush
you'd four-flush
he'd four-flush
we'd four-flush
you'd four-flush
they'd four-flush 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
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 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
should I four-flush?
should you four-flush?
should he four-flush?
should we four-flush?
should you four-flush?
should they four-flush? 	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? 	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? 	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 	V-ing form 	Perfect 	V-ing perfect 	
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? 	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? 	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? 	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?