English verb conjugation COULD DIAGRAM

Regular verb: diagram - diagramed - diagramed

Affirmation

Simple form

I could diagram
you could diagram
she could diagram
we could diagram
you could diagram
they could diagram

V-ing form

I could be diagraming
you could be diagraming
she could be diagraming
we could be diagraming
you could be diagraming
they could be diagraming

Perfect

I could have diagramed
you could have diagramed
she could have diagramed
we could have diagramed
you could have diagramed
they could have diagramed

V-ing perfect

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

Negation

Simple form

I could not diagram
you could not diagram
she could not diagram
we could not diagram
you could not diagram
they could not diagram

V-ing form

I could not be diagraming
you could not be diagraming
she could not be diagraming
we could not be diagraming
you could not be diagraming
they could not be diagraming

Perfect

I could not have diagramed
you could not have diagramed
she could not have diagramed
we could not have diagramed
you could not have diagramed
they could not have diagramed

V-ing perfect

I could not have been diagraming
you could not have been diagraming
she could not have been diagraming
we could not have been diagraming
you could not have been diagraming
they could not have been diagraming

Interrogative form

Simple form

could I diagram?
could you diagram?
could she diagram?
could we diagram?
could you diagram?
could they diagram?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not diagram?
could you not diagram?
could she not diagram?
could we not diagram?
could you not diagram?
could they not diagram?

V-ing form

could I not be diagraming?
could you not be diagraming?
could she not be diagraming?
could we not be diagraming?
could you not be diagraming?
could they not be diagraming?

Perfect

could I not have diagramed?
could you not have diagramed?
could she not have diagramed?
could we not have diagramed?
could you not have diagramed?
could they not have diagramed?

V-ing perfect

could I not have been diagraming?
could you not have been diagraming?
could she not have been diagraming?
could we not have been diagraming?
could you not have been diagraming?
could they not have been diagraming?

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