English verb conjugation COULD JAPAN

Regular verb: japan - japaned - japaned

Affirmation

Simple form

I could japan
you could japan
he could japan
we could japan
you could japan
they could japan

V-ing form

I could be japaning
you could be japaning
he could be japaning
we could be japaning
you could be japaning
they could be japaning

Perfect

I could have japaned
you could have japaned
he 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
he 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
he 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
he 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
he 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
he 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 he japan?
could we japan?
could you japan?
could they japan?

V-ing form

could I be japaning?
could you be japaning?
could he be japaning?
could we be japaning?
could you be japaning?
could they be japaning?

Perfect

could I have japaned?
could you have japaned?
could he 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 he 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 he 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 he 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 he 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 he 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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