must flush
Verbo regular: flush - flushed- flushed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must flush
you must flush
he must flush
we must flush
you must flush
they must flush 	I must be flushing
you must be flushing
he must be flushing
we must be flushing
you must be flushing
they must be flushing	I must have flushed
you must have flushed
he must have flushed
we must have flushed
you must have flushed
they must have flushed	I must have been flushing
you must have been flushing
he must have been flushing
we must have been flushing
you must have been flushing
they must have been flushing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not flush
you must not flush
he must not flush
we must not flush
you must not flush
they must not flush 	I must not be flushing
you must not be flushing
he must not be flushing
we must not be flushing
you must not be flushing
they must not be flushing	I must not have flushed
you must not have flushed
he must not have flushed
we must not have flushed
you must not have flushed
they must not have flushed	I must not have been flushing
you must not have been flushing
he must not have been flushing
we must not have been flushing
you must not have been flushing
they must not have been flushing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I flush?
must you flush?
must he flush?
must we flush?
must you flush?
must they flush? 	must I be flushing?
must you be flushing?
must he be flushing?
must we be flushing?
must you be flushing?
must they be flushing? 	must I have flushed?
must you have flushed?
must he have flushed?
must we have flushed?
must you have flushed?
must they have flushed? 	must I have been flushing?
must you have been flushing?
must he have been flushing?
must we have been flushing?
must you have been flushing?
must they have been flushing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not flush?
must you not flush?
must he not flush?
must we not flush?
must you not flush?
must they not flush? 	must I not be flushing?
must you not be flushing?
must he not be flushing?
must we not be flushing?
must you not be flushing?
must they not be flushing? 	must I not have flushed?
must you not have flushed?
must he not have flushed?
must we not have flushed?
must you not have flushed?
must they not have flushed? 	must I not have been flushing?
must you not have been flushing?
must he not have been flushing?
must we not have been flushing?
must you not have been flushing?
must they not have been flushing?