English verb conjugation COULD GROK

Regular verb: grok - groked - groked

Affirmation

Simple form

I could grok
you could grok
he could grok
we could grok
you could grok
they could grok

V-ing form

I could be groking
you could be groking
he could be groking
we could be groking
you could be groking
they could be groking

Perfect

I could have groked
you could have groked
he could have groked
we could have groked
you could have groked
they could have groked

V-ing perfect

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

Negation

Simple form

I could not grok
you could not grok
he could not grok
we could not grok
you could not grok
they could not grok

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I grok?
could you grok?
could he grok?
could we grok?
could you grok?
could they grok?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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