must groove
Verbo regular: groove - grooved- grooved

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must groove
you must groove
he must groove
we must groove
you must groove
they must groove 	I must be grooving
you must be grooving
he must be grooving
we must be grooving
you must be grooving
they must be grooving	I must have grooved
you must have grooved
he must have grooved
we must have grooved
you must have grooved
they must have grooved	I must have been grooving
you must have been grooving
he must have been grooving
we must have been grooving
you must have been grooving
they must have been grooving	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not groove
you must not groove
he must not groove
we must not groove
you must not groove
they must not groove 	I must not be grooving
you must not be grooving
he must not be grooving
we must not be grooving
you must not be grooving
they must not be grooving	I must not have grooved
you must not have grooved
he must not have grooved
we must not have grooved
you must not have grooved
they must not have grooved	I must not have been grooving
you must not have been grooving
he must not have been grooving
we must not have been grooving
you must not have been grooving
they must not have been grooving	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I groove?
must you groove?
must he groove?
must we groove?
must you groove?
must they groove? 	must I be grooving?
must you be grooving?
must he be grooving?
must we be grooving?
must you be grooving?
must they be grooving? 	must I have grooved?
must you have grooved?
must he have grooved?
must we have grooved?
must you have grooved?
must they have grooved? 	must I have been grooving?
must you have been grooving?
must he have been grooving?
must we have been grooving?
must you have been grooving?
must they have been grooving? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not groove?
must you not groove?
must he not groove?
must we not groove?
must you not groove?
must they not groove? 	must I not be grooving?
must you not be grooving?
must he not be grooving?
must we not be grooving?
must you not be grooving?
must they not be grooving? 	must I not have grooved?
must you not have grooved?
must he not have grooved?
must we not have grooved?
must you not have grooved?
must they not have grooved? 	must I not have been grooving?
must you not have been grooving?
must he not have been grooving?
must we not have been grooving?
must you not have been grooving?
must they not have been grooving?