must scrub
Verbo regular: scrub - scrubbed- scrubbed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must scrub
you must scrub
he must scrub
we must scrub
you must scrub
they must scrub 	I must be scrubbing
you must be scrubbing
he must be scrubbing
we must be scrubbing
you must be scrubbing
they must be scrubbing	I must have scrubbed
you must have scrubbed
he must have scrubbed
we must have scrubbed
you must have scrubbed
they must have scrubbed	I must have been scrubbing
you must have been scrubbing
he must have been scrubbing
we must have been scrubbing
you must have been scrubbing
they must have been scrubbing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not scrub
you must not scrub
he must not scrub
we must not scrub
you must not scrub
they must not scrub 	I must not be scrubbing
you must not be scrubbing
he must not be scrubbing
we must not be scrubbing
you must not be scrubbing
they must not be scrubbing	I must not have scrubbed
you must not have scrubbed
he must not have scrubbed
we must not have scrubbed
you must not have scrubbed
they must not have scrubbed	I must not have been scrubbing
you must not have been scrubbing
he must not have been scrubbing
we must not have been scrubbing
you must not have been scrubbing
they must not have been scrubbing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I scrub?
must you scrub?
must he scrub?
must we scrub?
must you scrub?
must they scrub? 	must I be scrubbing?
must you be scrubbing?
must he be scrubbing?
must we be scrubbing?
must you be scrubbing?
must they be scrubbing? 	must I have scrubbed?
must you have scrubbed?
must he have scrubbed?
must we have scrubbed?
must you have scrubbed?
must they have scrubbed? 	must I have been scrubbing?
must you have been scrubbing?
must he have been scrubbing?
must we have been scrubbing?
must you have been scrubbing?
must they have been scrubbing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not scrub?
must you not scrub?
must he not scrub?
must we not scrub?
must you not scrub?
must they not scrub? 	must I not be scrubbing?
must you not be scrubbing?
must he not be scrubbing?
must we not be scrubbing?
must you not be scrubbing?
must they not be scrubbing? 	must I not have scrubbed?
must you not have scrubbed?
must he not have scrubbed?
must we not have scrubbed?
must you not have scrubbed?
must they not have scrubbed? 	must I not have been scrubbing?
must you not have been scrubbing?
must he not have been scrubbing?
must we not have been scrubbing?
must you not have been scrubbing?
must they not have been scrubbing?