must quarry
Verbo regular: quarry - quarried- quarried

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must quarry
you must quarry
he must quarry
we must quarry
you must quarry
they must quarry 	I must be quarrying
you must be quarrying
he must be quarrying
we must be quarrying
you must be quarrying
they must be quarrying	I must have quarried
you must have quarried
he must have quarried
we must have quarried
you must have quarried
they must have quarried	I must have been quarrying
you must have been quarrying
he must have been quarrying
we must have been quarrying
you must have been quarrying
they must have been quarrying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not quarry
you must not quarry
he must not quarry
we must not quarry
you must not quarry
they must not quarry 	I must not be quarrying
you must not be quarrying
he must not be quarrying
we must not be quarrying
you must not be quarrying
they must not be quarrying	I must not have quarried
you must not have quarried
he must not have quarried
we must not have quarried
you must not have quarried
they must not have quarried	I must not have been quarrying
you must not have been quarrying
he must not have been quarrying
we must not have been quarrying
you must not have been quarrying
they must not have been quarrying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I quarry?
must you quarry?
must he quarry?
must we quarry?
must you quarry?
must they quarry? 	must I be quarrying?
must you be quarrying?
must he be quarrying?
must we be quarrying?
must you be quarrying?
must they be quarrying? 	must I have quarried?
must you have quarried?
must he have quarried?
must we have quarried?
must you have quarried?
must they have quarried? 	must I have been quarrying?
must you have been quarrying?
must he have been quarrying?
must we have been quarrying?
must you have been quarrying?
must they have been quarrying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not quarry?
must you not quarry?
must he not quarry?
must we not quarry?
must you not quarry?
must they not quarry? 	must I not be quarrying?
must you not be quarrying?
must he not be quarrying?
must we not be quarrying?
must you not be quarrying?
must they not be quarrying? 	must I not have quarried?
must you not have quarried?
must he not have quarried?
must we not have quarried?
must you not have quarried?
must they not have quarried? 	must I not have been quarrying?
must you not have been quarrying?
must he not have been quarrying?
must we not have been quarrying?
must you not have been quarrying?
must they not have been quarrying?