must gripe
Verbo regular: gripe - griped- griped

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must gripe
you must gripe
he must gripe
we must gripe
you must gripe
they must gripe 	I must be griping
you must be griping
he must be griping
we must be griping
you must be griping
they must be griping	I must have griped
you must have griped
he must have griped
we must have griped
you must have griped
they must have griped	I must have been griping
you must have been griping
he must have been griping
we must have been griping
you must have been griping
they must have been griping	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not gripe
you must not gripe
he must not gripe
we must not gripe
you must not gripe
they must not gripe 	I must not be griping
you must not be griping
he must not be griping
we must not be griping
you must not be griping
they must not be griping	I must not have griped
you must not have griped
he must not have griped
we must not have griped
you must not have griped
they must not have griped	I must not have been griping
you must not have been griping
he must not have been griping
we must not have been griping
you must not have been griping
they must not have been griping	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I gripe?
must you gripe?
must he gripe?
must we gripe?
must you gripe?
must they gripe? 	must I be griping?
must you be griping?
must he be griping?
must we be griping?
must you be griping?
must they be griping? 	must I have griped?
must you have griped?
must he have griped?
must we have griped?
must you have griped?
must they have griped? 	must I have been griping?
must you have been griping?
must he have been griping?
must we have been griping?
must you have been griping?
must they have been griping? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not gripe?
must you not gripe?
must he not gripe?
must we not gripe?
must you not gripe?
must they not gripe? 	must I not be griping?
must you not be griping?
must he not be griping?
must we not be griping?
must you not be griping?
must they not be griping? 	must I not have griped?
must you not have griped?
must he not have griped?
must we not have griped?
must you not have griped?
must they not have griped? 	must I not have been griping?
must you not have been griping?
must he not have been griping?
must we not have been griping?
must you not have been griping?
must they not have been griping?