must moon
Verbo regular: moon - mooned- mooned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must moon
you must moon
he must moon
we must moon
you must moon
they must moon 	I must be mooning
you must be mooning
he must be mooning
we must be mooning
you must be mooning
they must be mooning	I must have mooned
you must have mooned
he must have mooned
we must have mooned
you must have mooned
they must have mooned	I must have been mooning
you must have been mooning
he must have been mooning
we must have been mooning
you must have been mooning
they must have been mooning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not moon
you must not moon
he must not moon
we must not moon
you must not moon
they must not moon 	I must not be mooning
you must not be mooning
he must not be mooning
we must not be mooning
you must not be mooning
they must not be mooning	I must not have mooned
you must not have mooned
he must not have mooned
we must not have mooned
you must not have mooned
they must not have mooned	I must not have been mooning
you must not have been mooning
he must not have been mooning
we must not have been mooning
you must not have been mooning
they must not have been mooning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I moon?
must you moon?
must he moon?
must we moon?
must you moon?
must they moon? 	must I be mooning?
must you be mooning?
must he be mooning?
must we be mooning?
must you be mooning?
must they be mooning? 	must I have mooned?
must you have mooned?
must he have mooned?
must we have mooned?
must you have mooned?
must they have mooned? 	must I have been mooning?
must you have been mooning?
must he have been mooning?
must we have been mooning?
must you have been mooning?
must they have been mooning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not moon?
must you not moon?
must he not moon?
must we not moon?
must you not moon?
must they not moon? 	must I not be mooning?
must you not be mooning?
must he not be mooning?
must we not be mooning?
must you not be mooning?
must they not be mooning? 	must I not have mooned?
must you not have mooned?
must he not have mooned?
must we not have mooned?
must you not have mooned?
must they not have mooned? 	must I not have been mooning?
must you not have been mooning?
must he not have been mooning?
must we not have been mooning?
must you not have been mooning?
must they not have been mooning?