English verb conjugation COULD PLANE

Regular verb: plane - planed - planed

Affirmation

Simple form

I could plane
you could plane
she could plane
we could plane
you could plane
they could plane

V-ing form

I could be planing
you could be planing
she could be planing
we could be planing
you could be planing
they could be planing

Perfect

I could have planed
you could have planed
she 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
she could have been planing
we could have been planing
you could have been planing
they could have been planing

Negation

Simple form

I couldn't plane
you couldn't plane
she couldn't plane
we couldn't plane
you couldn't plane
they couldn't plane

V-ing form

I couldn't be planing
you couldn't be planing
she couldn't be planing
we couldn't be planing
you couldn't be planing
they couldn't be planing

Perfect

I couldn't have planed
you couldn't have planed
she couldn't have planed
we couldn't have planed
you couldn't have planed
they couldn't have planed

V-ing perfect

I couldn't have been planing
you couldn't have been planing
she couldn't have been planing
we couldn't have been planing
you couldn't have been planing
they couldn't have been planing

Interrogative form

Simple form

could I plane?
could you plane?
could she plane?
could we plane?
could you plane?
could they plane?

V-ing form

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

Perfect

could I have planed?
could you have planed?
could she 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 she have been planing?
could we have been planing?
could you have been planing?
could they have been planing?

Interro-negative form

Simple form

couldn't I plane?
couldn't you plane?
couldn't she plane?
couldn't we plane?
couldn't you plane?
couldn't they plane?

V-ing form

couldn't I be planing?
couldn't you be planing?
couldn't she be planing?
couldn't we be planing?
couldn't you be planing?
couldn't they be planing?

Perfect

couldn't I have planed?
couldn't you have planed?
couldn't she have planed?
couldn't we have planed?
couldn't you have planed?
couldn't they have planed?

V-ing perfect

couldn't I have been planing?
couldn't you have been planing?
couldn't she have been planing?
couldn't we have been planing?
couldn't you have been planing?
couldn't they have been planing?

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