must quaere
Verbo regular: quaere - quaered- quaered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must quaere
you must quaere
he must quaere
we must quaere
you must quaere
they must quaere 	I must be quaering
you must be quaering
he must be quaering
we must be quaering
you must be quaering
they must be quaering	I must have quaered
you must have quaered
he must have quaered
we must have quaered
you must have quaered
they must have quaered	I must have been quaering
you must have been quaering
he must have been quaering
we must have been quaering
you must have been quaering
they must have been quaering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not quaere
you must not quaere
he must not quaere
we must not quaere
you must not quaere
they must not quaere 	I must not be quaering
you must not be quaering
he must not be quaering
we must not be quaering
you must not be quaering
they must not be quaering	I must not have quaered
you must not have quaered
he must not have quaered
we must not have quaered
you must not have quaered
they must not have quaered	I must not have been quaering
you must not have been quaering
he must not have been quaering
we must not have been quaering
you must not have been quaering
they must not have been quaering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I quaere?
must you quaere?
must he quaere?
must we quaere?
must you quaere?
must they quaere? 	must I be quaering?
must you be quaering?
must he be quaering?
must we be quaering?
must you be quaering?
must they be quaering? 	must I have quaered?
must you have quaered?
must he have quaered?
must we have quaered?
must you have quaered?
must they have quaered? 	must I have been quaering?
must you have been quaering?
must he have been quaering?
must we have been quaering?
must you have been quaering?
must they have been quaering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not quaere?
must you not quaere?
must he not quaere?
must we not quaere?
must you not quaere?
must they not quaere? 	must I not be quaering?
must you not be quaering?
must he not be quaering?
must we not be quaering?
must you not be quaering?
must they not be quaering? 	must I not have quaered?
must you not have quaered?
must he not have quaered?
must we not have quaered?
must you not have quaered?
must they not have quaered? 	must I not have been quaering?
must you not have been quaering?
must he not have been quaering?
must we not have been quaering?
must you not have been quaering?
must they not have been quaering?