male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation COULD JAPAN
Regular verb: japan - japaned - japaned
Affirmation
Simple form
I could japanyou could japan
she could japan
we could japan
you could japan
they could japan
V-ing form
I could be japaningyou could be japaning
she could be japaning
we could be japaning
you could be japaning
they could be japaning
Perfect
I could have japanedyou could have japaned
she could have japaned
we could have japaned
you could have japaned
they could have japaned
V-ing perfect
I could have been japaningyou could have been japaning
she could have been japaning
we could have been japaning
you could have been japaning
they could have been japaning
Negation
Simple form
I couldn't japanyou couldn't japan
she couldn't japan
we couldn't japan
you couldn't japan
they couldn't japan
V-ing form
I couldn't be japaningyou couldn't be japaning
she couldn't be japaning
we couldn't be japaning
you couldn't be japaning
they couldn't be japaning
Perfect
I couldn't have japanedyou couldn't have japaned
she couldn't have japaned
we couldn't have japaned
you couldn't have japaned
they couldn't have japaned
V-ing perfect
I couldn't have been japaningyou 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
Interrogative form
Simple form
could I japan?could you japan?
could she japan?
could we japan?
could you japan?
could they japan?
V-ing form
could I be japaning?could you be japaning?
could she be japaning?
could we be japaning?
could you be japaning?
could they be japaning?
Perfect
could I have japaned?could you have japaned?
could she have japaned?
could we have japaned?
could you have japaned?
could they have japaned?
V-ing perfect
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?
Interro-negative form
Simple form
couldn't I japan?couldn't you japan?
couldn't she japan?
couldn't we japan?
couldn't you japan?
couldn't they japan?
V-ing form
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?
Perfect
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?
V-ing perfect
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?