must spire
Verbo regular: spire - spired- spired

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must spire
you must spire
he must spire
we must spire
you must spire
they must spire 	I must be spiring
you must be spiring
he must be spiring
we must be spiring
you must be spiring
they must be spiring	I must have spired
you must have spired
he must have spired
we must have spired
you must have spired
they must have spired	I must have been spiring
you must have been spiring
he must have been spiring
we must have been spiring
you must have been spiring
they must have been spiring	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not spire
you must not spire
he must not spire
we must not spire
you must not spire
they must not spire 	I must not be spiring
you must not be spiring
he must not be spiring
we must not be spiring
you must not be spiring
they must not be spiring	I must not have spired
you must not have spired
he must not have spired
we must not have spired
you must not have spired
they must not have spired	I must not have been spiring
you must not have been spiring
he must not have been spiring
we must not have been spiring
you must not have been spiring
they must not have been spiring	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I spire?
must you spire?
must he spire?
must we spire?
must you spire?
must they spire? 	must I be spiring?
must you be spiring?
must he be spiring?
must we be spiring?
must you be spiring?
must they be spiring? 	must I have spired?
must you have spired?
must he have spired?
must we have spired?
must you have spired?
must they have spired? 	must I have been spiring?
must you have been spiring?
must he have been spiring?
must we have been spiring?
must you have been spiring?
must they have been spiring? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not spire?
must you not spire?
must he not spire?
must we not spire?
must you not spire?
must they not spire? 	must I not be spiring?
must you not be spiring?
must he not be spiring?
must we not be spiring?
must you not be spiring?
must they not be spiring? 	must I not have spired?
must you not have spired?
must he not have spired?
must we not have spired?
must you not have spired?
must they not have spired? 	must I not have been spiring?
must you not have been spiring?
must he not have been spiring?
must we not have been spiring?
must you not have been spiring?
must they not have been spiring?