could japan
Verbo regolare: japan - japaned- japaned

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could japan
you could japan
she could japan
we could japan
you could japan
they could japan 	I could be japaning
you could be japaning
she could be japaning
we could be japaning
you could be japaning
they could be japaning	I could have japaned
you could have japaned
she could have japaned
we could have japaned
you could have japaned
they could have japaned	I could have been japaning
you could have been japaning
she could have been japaning
we could have been japaning
you could have been japaning
they could have been japaning	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't japan
you couldn't japan
she couldn't japan
we couldn't japan
you couldn't japan
they couldn't japan 	I couldn't be japaning
you couldn't be japaning
she couldn't be japaning
we couldn't be japaning
you couldn't be japaning
they couldn't be japaning	I couldn't have japaned
you couldn't have japaned
she couldn't have japaned
we couldn't have japaned
you couldn't have japaned
they couldn't have japaned	I couldn't have been japaning
you couldn't have been japaning
she couldn't have been japaning
we couldn't have been japaning
you couldn't have been japaning
they couldn't have been japaning	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I japan?
could you japan?
could she japan?
could we japan?
could you japan?
could they japan? 	could I be japaning?
could you be japaning?
could she be japaning?
could we be japaning?
could you be japaning?
could they be japaning? 	could I have japaned?
could you have japaned?
could she have japaned?
could we have japaned?
could you have japaned?
could they have japaned? 	could I have been japaning?
could you have been japaning?
could she have been japaning?
could we have been japaning?
could you have been japaning?
could they have been japaning? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I japan?
couldn't you japan?
couldn't she japan?
couldn't we japan?
couldn't you japan?
couldn't they japan? 	couldn't I be japaning?
couldn't you be japaning?
couldn't she be japaning?
couldn't we be japaning?
couldn't you be japaning?
couldn't they be japaning? 	couldn't I have japaned?
couldn't you have japaned?
couldn't she have japaned?
couldn't we have japaned?
couldn't you have japaned?
couldn't they have japaned? 	couldn't I have been japaning?
couldn't you have been japaning?
couldn't she have been japaning?
couldn't we have been japaning?
couldn't you have been japaning?
couldn't they have been japaning?