English verb conjugation COULD PLAN

Regular verb: plan - planned - planned

Affirmation

Simple form

I could plan
you could plan
he could plan
we could plan
you could plan
they could plan

V-ing form

I could be planning
you could be planning
he could be planning
we could be planning
you could be planning
they could be planning

Perfect

I could have planned
you could have planned
he could have planned
we could have planned
you could have planned
they could have planned

V-ing perfect

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

Negation

Simple form

I could not plan
you could not plan
he could not plan
we could not plan
you could not plan
they could not plan

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I plan?
could you plan?
could he plan?
could we plan?
could you plan?
could they plan?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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