must thermoform
Verbo regular: thermoform - thermoformed- thermoformed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must thermoform
you must thermoform
he must thermoform
we must thermoform
you must thermoform
they must thermoform 	I must be thermoforming
you must be thermoforming
he must be thermoforming
we must be thermoforming
you must be thermoforming
they must be thermoforming	I must have thermoformed
you must have thermoformed
he must have thermoformed
we must have thermoformed
you must have thermoformed
they must have thermoformed	I must have been thermoforming
you must have been thermoforming
he must have been thermoforming
we must have been thermoforming
you must have been thermoforming
they must have been thermoforming	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not thermoform
you must not thermoform
he must not thermoform
we must not thermoform
you must not thermoform
they must not thermoform 	I must not be thermoforming
you must not be thermoforming
he must not be thermoforming
we must not be thermoforming
you must not be thermoforming
they must not be thermoforming	I must not have thermoformed
you must not have thermoformed
he must not have thermoformed
we must not have thermoformed
you must not have thermoformed
they must not have thermoformed	I must not have been thermoforming
you must not have been thermoforming
he must not have been thermoforming
we must not have been thermoforming
you must not have been thermoforming
they must not have been thermoforming	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I thermoform?
must you thermoform?
must he thermoform?
must we thermoform?
must you thermoform?
must they thermoform? 	must I be thermoforming?
must you be thermoforming?
must he be thermoforming?
must we be thermoforming?
must you be thermoforming?
must they be thermoforming? 	must I have thermoformed?
must you have thermoformed?
must he have thermoformed?
must we have thermoformed?
must you have thermoformed?
must they have thermoformed? 	must I have been thermoforming?
must you have been thermoforming?
must he have been thermoforming?
must we have been thermoforming?
must you have been thermoforming?
must they have been thermoforming? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not thermoform?
must you not thermoform?
must he not thermoform?
must we not thermoform?
must you not thermoform?
must they not thermoform? 	must I not be thermoforming?
must you not be thermoforming?
must he not be thermoforming?
must we not be thermoforming?
must you not be thermoforming?
must they not be thermoforming? 	must I not have thermoformed?
must you not have thermoformed?
must he not have thermoformed?
must we not have thermoformed?
must you not have thermoformed?
must they not have thermoformed? 	must I not have been thermoforming?
must you not have been thermoforming?
must he not have been thermoforming?
must we not have been thermoforming?
must you not have been thermoforming?
must they not have been thermoforming?