English verb conjugation COULD PREPLAN

Regular verb: preplan - preplaned - preplaned

Affirmation

Simple form

I could preplan
you could preplan
she could preplan
we could preplan
you could preplan
they could preplan

V-ing form

I could be preplaning
you could be preplaning
she could be preplaning
we could be preplaning
you could be preplaning
they could be preplaning

Perfect

I could have preplaned
you could have preplaned
she could have preplaned
we could have preplaned
you could have preplaned
they could have preplaned

V-ing perfect

I could have been preplaning
you could have been preplaning
she could have been preplaning
we could have been preplaning
you could have been preplaning
they could have been preplaning

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I preplan?
could you preplan?
could she preplan?
could we preplan?
could you preplan?
could they preplan?

V-ing form

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

Perfect

could I have preplaned?
could you have preplaned?
could she have preplaned?
could we have preplaned?
could you have preplaned?
could they have preplaned?

V-ing perfect

could I have been preplaning?
could you have been preplaning?
could she have been preplaning?
could we have been preplaning?
could you have been preplaning?
could they have been preplaning?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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