English verb conjugation COULD JAPAN

Regular verb: japan - japaned - japaned

Affirmation

Simple form

I could japan
you could japan
she could japan
we could japan
you could japan
they could japan

V-ing form

I could be japaning
you could be japaning
she could be japaning
we could be japaning
you could be japaning
they could be japaning

Perfect

I could have japaned
you 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 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

Negation

Simple form

I couldn't japan
you 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 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

Perfect

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

V-ing perfect

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

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?

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