English verb conjugation COULD NOD

Regular verb: nod - nodded - nodded

Affirmation

Simple form

I could nod
you could nod
he could nod
we could nod
you could nod
they could nod

V-ing form

I could be nodding
you could be nodding
he could be nodding
we could be nodding
you could be nodding
they could be nodding

Perfect

I could have nodded
you could have nodded
he could have nodded
we could have nodded
you could have nodded
they could have nodded

V-ing perfect

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

Negation

Simple form

I could not nod
you could not nod
he could not nod
we could not nod
you could not nod
they could not nod

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I nod?
could you nod?
could he nod?
could we nod?
could you nod?
could they nod?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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