must protrude
Verbo regular: protrude - protruded- protruded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must protrude
you must protrude
he must protrude
we must protrude
you must protrude
they must protrude 	I must be protruding
you must be protruding
he must be protruding
we must be protruding
you must be protruding
they must be protruding	I must have protruded
you must have protruded
he must have protruded
we must have protruded
you must have protruded
they must have protruded	I must have been protruding
you must have been protruding
he must have been protruding
we must have been protruding
you must have been protruding
they must have been protruding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not protrude
you must not protrude
he must not protrude
we must not protrude
you must not protrude
they must not protrude 	I must not be protruding
you must not be protruding
he must not be protruding
we must not be protruding
you must not be protruding
they must not be protruding	I must not have protruded
you must not have protruded
he must not have protruded
we must not have protruded
you must not have protruded
they must not have protruded	I must not have been protruding
you must not have been protruding
he must not have been protruding
we must not have been protruding
you must not have been protruding
they must not have been protruding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I protrude?
must you protrude?
must he protrude?
must we protrude?
must you protrude?
must they protrude? 	must I be protruding?
must you be protruding?
must he be protruding?
must we be protruding?
must you be protruding?
must they be protruding? 	must I have protruded?
must you have protruded?
must he have protruded?
must we have protruded?
must you have protruded?
must they have protruded? 	must I have been protruding?
must you have been protruding?
must he have been protruding?
must we have been protruding?
must you have been protruding?
must they have been protruding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not protrude?
must you not protrude?
must he not protrude?
must we not protrude?
must you not protrude?
must they not protrude? 	must I not be protruding?
must you not be protruding?
must he not be protruding?
must we not be protruding?
must you not be protruding?
must they not be protruding? 	must I not have protruded?
must you not have protruded?
must he not have protruded?
must we not have protruded?
must you not have protruded?
must they not have protruded? 	must I not have been protruding?
must you not have been protruding?
must he not have been protruding?
must we not have been protruding?
must you not have been protruding?
must they not have been protruding?