English verb conjugation COULD GRABBLE

Regular verb: grabble - grabbled - grabbled

Affirmation

Simple form

I could grabble
you could grabble
he could grabble
we could grabble
you could grabble
they could grabble

V-ing form

I could be grabbling
you could be grabbling
he could be grabbling
we could be grabbling
you could be grabbling
they could be grabbling

Perfect

I could have grabbled
you could have grabbled
he could have grabbled
we could have grabbled
you could have grabbled
they could have grabbled

V-ing perfect

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

Negation

Simple form

I could not grabble
you could not grabble
he could not grabble
we could not grabble
you could not grabble
they could not grabble

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I grabble?
could you grabble?
could he grabble?
could we grabble?
could you grabble?
could they grabble?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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