must cross-section
Verbo regular: cross-section - cross-sectioned- cross-sectioned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must cross-section
you must cross-section
he must cross-section
we must cross-section
you must cross-section
they must cross-section 	I must be cross-sectioning
you must be cross-sectioning
he must be cross-sectioning
we must be cross-sectioning
you must be cross-sectioning
they must be cross-sectioning	I must have cross-sectioned
you must have cross-sectioned
he must have cross-sectioned
we must have cross-sectioned
you must have cross-sectioned
they must have cross-sectioned	I must have been cross-sectioning
you must have been cross-sectioning
he must have been cross-sectioning
we must have been cross-sectioning
you must have been cross-sectioning
they must have been cross-sectioning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not cross-section
you must not cross-section
he must not cross-section
we must not cross-section
you must not cross-section
they must not cross-section 	I must not be cross-sectioning
you must not be cross-sectioning
he must not be cross-sectioning
we must not be cross-sectioning
you must not be cross-sectioning
they must not be cross-sectioning	I must not have cross-sectioned
you must not have cross-sectioned
he must not have cross-sectioned
we must not have cross-sectioned
you must not have cross-sectioned
they must not have cross-sectioned	I must not have been cross-sectioning
you must not have been cross-sectioning
he must not have been cross-sectioning
we must not have been cross-sectioning
you must not have been cross-sectioning
they must not have been cross-sectioning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I cross-section?
must you cross-section?
must he cross-section?
must we cross-section?
must you cross-section?
must they cross-section? 	must I be cross-sectioning?
must you be cross-sectioning?
must he be cross-sectioning?
must we be cross-sectioning?
must you be cross-sectioning?
must they be cross-sectioning? 	must I have cross-sectioned?
must you have cross-sectioned?
must he have cross-sectioned?
must we have cross-sectioned?
must you have cross-sectioned?
must they have cross-sectioned? 	must I have been cross-sectioning?
must you have been cross-sectioning?
must he have been cross-sectioning?
must we have been cross-sectioning?
must you have been cross-sectioning?
must they have been cross-sectioning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not cross-section?
must you not cross-section?
must he not cross-section?
must we not cross-section?
must you not cross-section?
must they not cross-section? 	must I not be cross-sectioning?
must you not be cross-sectioning?
must he not be cross-sectioning?
must we not be cross-sectioning?
must you not be cross-sectioning?
must they not be cross-sectioning? 	must I not have cross-sectioned?
must you not have cross-sectioned?
must he not have cross-sectioned?
must we not have cross-sectioned?
must you not have cross-sectioned?
must they not have cross-sectioned? 	must I not have been cross-sectioning?
must you not have been cross-sectioning?
must he not have been cross-sectioning?
must we not have been cross-sectioning?
must you not have been cross-sectioning?
must they not have been cross-sectioning?