English verb conjugation COULD PLANE

Regular verb: plane - planed - planed

Affirmation

Simple form

I could plane
you could plane
he could plane
we could plane
you could plane
they could plane

V-ing form

I could be planing
you could be planing
he could be planing
we could be planing
you could be planing
they could be planing

Perfect

I could have planed
you could have planed
he could have planed
we could have planed
you could have planed
they could have planed

V-ing perfect

I could have been planing
you could have been planing
he could have been planing
we could have been planing
you could have been planing
they could have been planing

Negation

Simple form

I could not plane
you could not plane
he could not plane
we could not plane
you could not plane
they could not plane

V-ing form

I could not be planing
you could not be planing
he could not be planing
we could not be planing
you could not be planing
they could not be planing

Perfect

I could not have planed
you could not have planed
he could not have planed
we could not have planed
you could not have planed
they could not have planed

V-ing perfect

I could not have been planing
you could not have been planing
he could not have been planing
we could not have been planing
you could not have been planing
they could not have been planing

Interrogative form

Simple form

could I plane?
could you plane?
could he plane?
could we plane?
could you plane?
could they plane?

V-ing form

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

Perfect

could I have planed?
could you have planed?
could he have planed?
could we have planed?
could you have planed?
could they have planed?

V-ing perfect

could I have been planing?
could you have been planing?
could he have been planing?
could we have been planing?
could you have been planing?
could they have been planing?

Interro-negative form

Simple form

could I not plane?
could you not plane?
could he not plane?
could we not plane?
could you not plane?
could they not plane?

V-ing form

could I not be planing?
could you not be planing?
could he not be planing?
could we not be planing?
could you not be planing?
could they not be planing?

Perfect

could I not have planed?
could you not have planed?
could he not have planed?
could we not have planed?
could you not have planed?
could they not have planed?

V-ing perfect

could I not have been planing?
could you not have been planing?
could he not have been planing?
could we not have been planing?
could you not have been planing?
could they not have been planing?

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