must herd
Verbo regular: herd - herded- herded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must herd
you must herd
he must herd
we must herd
you must herd
they must herd 	I must be herding
you must be herding
he must be herding
we must be herding
you must be herding
they must be herding	I must have herded
you must have herded
he must have herded
we must have herded
you must have herded
they must have herded	I must have been herding
you must have been herding
he must have been herding
we must have been herding
you must have been herding
they must have been herding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not herd
you must not herd
he must not herd
we must not herd
you must not herd
they must not herd 	I must not be herding
you must not be herding
he must not be herding
we must not be herding
you must not be herding
they must not be herding	I must not have herded
you must not have herded
he must not have herded
we must not have herded
you must not have herded
they must not have herded	I must not have been herding
you must not have been herding
he must not have been herding
we must not have been herding
you must not have been herding
they must not have been herding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I herd?
must you herd?
must he herd?
must we herd?
must you herd?
must they herd? 	must I be herding?
must you be herding?
must he be herding?
must we be herding?
must you be herding?
must they be herding? 	must I have herded?
must you have herded?
must he have herded?
must we have herded?
must you have herded?
must they have herded? 	must I have been herding?
must you have been herding?
must he have been herding?
must we have been herding?
must you have been herding?
must they have been herding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not herd?
must you not herd?
must he not herd?
must we not herd?
must you not herd?
must they not herd? 	must I not be herding?
must you not be herding?
must he not be herding?
must we not be herding?
must you not be herding?
must they not be herding? 	must I not have herded?
must you not have herded?
must he not have herded?
must we not have herded?
must you not have herded?
must they not have herded? 	must I not have been herding?
must you not have been herding?
must he not have been herding?
must we not have been herding?
must you not have been herding?
must they not have been herding?