must gaggle
Verbo regular: gaggle - gaggled- gaggled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must gaggle
you must gaggle
he must gaggle
we must gaggle
you must gaggle
they must gaggle 	I must be gaggling
you must be gaggling
he must be gaggling
we must be gaggling
you must be gaggling
they must be gaggling	I must have gaggled
you must have gaggled
he must have gaggled
we must have gaggled
you must have gaggled
they must have gaggled	I must have been gaggling
you must have been gaggling
he must have been gaggling
we must have been gaggling
you must have been gaggling
they must have been gaggling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not gaggle
you must not gaggle
he must not gaggle
we must not gaggle
you must not gaggle
they must not gaggle 	I must not be gaggling
you must not be gaggling
he must not be gaggling
we must not be gaggling
you must not be gaggling
they must not be gaggling	I must not have gaggled
you must not have gaggled
he must not have gaggled
we must not have gaggled
you must not have gaggled
they must not have gaggled	I must not have been gaggling
you must not have been gaggling
he must not have been gaggling
we must not have been gaggling
you must not have been gaggling
they must not have been gaggling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I gaggle?
must you gaggle?
must he gaggle?
must we gaggle?
must you gaggle?
must they gaggle? 	must I be gaggling?
must you be gaggling?
must he be gaggling?
must we be gaggling?
must you be gaggling?
must they be gaggling? 	must I have gaggled?
must you have gaggled?
must he have gaggled?
must we have gaggled?
must you have gaggled?
must they have gaggled? 	must I have been gaggling?
must you have been gaggling?
must he have been gaggling?
must we have been gaggling?
must you have been gaggling?
must they have been gaggling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not gaggle?
must you not gaggle?
must he not gaggle?
must we not gaggle?
must you not gaggle?
must they not gaggle? 	must I not be gaggling?
must you not be gaggling?
must he not be gaggling?
must we not be gaggling?
must you not be gaggling?
must they not be gaggling? 	must I not have gaggled?
must you not have gaggled?
must he not have gaggled?
must we not have gaggled?
must you not have gaggled?
must they not have gaggled? 	must I not have been gaggling?
must you not have been gaggling?
must he not have been gaggling?
must we not have been gaggling?
must you not have been gaggling?
must they not have been gaggling?