must japan
Verbo regular: japan - japaned- japaned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must japan
you must japan
she must japan
we must japan
you must japan
they must japan 	I must be japaning
you must be japaning
she must be japaning
we must be japaning
you must be japaning
they must be japaning	I must have japaned
you must have japaned
she must have japaned
we must have japaned
you must have japaned
they must have japaned	I must have been japaning
you must have been japaning
she must have been japaning
we must have been japaning
you must have been japaning
they must have been japaning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't japan
you mustn't japan
she mustn't japan
we mustn't japan
you mustn't japan
they mustn't japan 	I mustn't be japaning
you mustn't be japaning
she mustn't be japaning
we mustn't be japaning
you mustn't be japaning
they mustn't be japaning	I mustn't have japaned
you mustn't have japaned
she mustn't have japaned
we mustn't have japaned
you mustn't have japaned
they mustn't have japaned	I mustn't have been japaning
you mustn't have been japaning
she mustn't have been japaning
we mustn't have been japaning
you mustn't have been japaning
they mustn't have been japaning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I japan?
must you japan?
must she japan?
must we japan?
must you japan?
must they japan? 	must I be japaning?
must you be japaning?
must she be japaning?
must we be japaning?
must you be japaning?
must they be japaning? 	must I have japaned?
must you have japaned?
must she have japaned?
must we have japaned?
must you have japaned?
must they have japaned? 	must I have been japaning?
must you have been japaning?
must she have been japaning?
must we have been japaning?
must you have been japaning?
must they have been japaning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I japan?
mustn't you japan?
mustn't she japan?
mustn't we japan?
mustn't you japan?
mustn't they japan? 	mustn't I be japaning?
mustn't you be japaning?
mustn't she be japaning?
mustn't we be japaning?
mustn't you be japaning?
mustn't they be japaning? 	mustn't I have japaned?
mustn't you have japaned?
mustn't she have japaned?
mustn't we have japaned?
mustn't you have japaned?
mustn't they have japaned? 	mustn't I have been japaning?
mustn't you have been japaning?
mustn't she have been japaning?
mustn't we have been japaning?
mustn't you have been japaning?
mustn't they have been japaning?