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

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should four-flush
you should four-flush
she should four-flush
we should four-flush
you should four-flush
they should four-flush 	I should be four-flushing
you should be four-flushing
she should be four-flushing
we should be four-flushing
you should be four-flushing
they should be four-flushing	I should have four-flushed
you should have four-flushed
she should have four-flushed
we should have four-flushed
you should have four-flushed
they should have four-flushed	I should have been four-flushing
you should have been four-flushing
she should have been four-flushing
we should have been four-flushing
you should have been four-flushing
they should have been four-flushing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not four-flush
you should not four-flush
she should not four-flush
we should not four-flush
you should not four-flush
they should not four-flush 	I should not be four-flushing
you should not be four-flushing
she should not be four-flushing
we should not be four-flushing
you should not be four-flushing
they should not be four-flushing	I should not have four-flushed
you should not have four-flushed
she should not have four-flushed
we should not have four-flushed
you should not have four-flushed
they should not have four-flushed	I should not have been four-flushing
you should not have been four-flushing
she should not have been four-flushing
we should not have been four-flushing
you should not have been four-flushing
they should not have been four-flushing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I four-flush?
should you four-flush?
should she 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 she 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 she 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 she 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 	
should I not four-flush?
should you not four-flush?
should she not four-flush?
should we not four-flush?
should you not four-flush?
should they not four-flush? 	should I not be four-flushing?
should you not be four-flushing?
should she not be four-flushing?
should we not be four-flushing?
should you not be four-flushing?
should they not be four-flushing? 	should I not have four-flushed?
should you not have four-flushed?
should she not have four-flushed?
should we not have four-flushed?
should you not have four-flushed?
should they not have four-flushed? 	should I not have been four-flushing?
should you not have been four-flushing?
should she not have been four-flushing?
should we not have been four-flushing?
should you not have been four-flushing?
should they not have been four-flushing?