must headline
Verbo regular: headline - headlined- headlined

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must headline
you must headline
he must headline
we must headline
you must headline
they must headline 	I must be headlining
you must be headlining
he must be headlining
we must be headlining
you must be headlining
they must be headlining	I must have headlined
you must have headlined
he must have headlined
we must have headlined
you must have headlined
they must have headlined	I must have been headlining
you must have been headlining
he must have been headlining
we must have been headlining
you must have been headlining
they must have been headlining	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not headline
you must not headline
he must not headline
we must not headline
you must not headline
they must not headline 	I must not be headlining
you must not be headlining
he must not be headlining
we must not be headlining
you must not be headlining
they must not be headlining	I must not have headlined
you must not have headlined
he must not have headlined
we must not have headlined
you must not have headlined
they must not have headlined	I must not have been headlining
you must not have been headlining
he must not have been headlining
we must not have been headlining
you must not have been headlining
they must not have been headlining	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I headline?
must you headline?
must he headline?
must we headline?
must you headline?
must they headline? 	must I be headlining?
must you be headlining?
must he be headlining?
must we be headlining?
must you be headlining?
must they be headlining? 	must I have headlined?
must you have headlined?
must he have headlined?
must we have headlined?
must you have headlined?
must they have headlined? 	must I have been headlining?
must you have been headlining?
must he have been headlining?
must we have been headlining?
must you have been headlining?
must they have been headlining? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not headline?
must you not headline?
must he not headline?
must we not headline?
must you not headline?
must they not headline? 	must I not be headlining?
must you not be headlining?
must he not be headlining?
must we not be headlining?
must you not be headlining?
must they not be headlining? 	must I not have headlined?
must you not have headlined?
must he not have headlined?
must we not have headlined?
must you not have headlined?
must they not have headlined? 	must I not have been headlining?
must you not have been headlining?
must he not have been headlining?
must we not have been headlining?
must you not have been headlining?
must they not have been headlining?