English verb conjugation COULD NIBBLE

Regular verb: nibble - nibbled - nibbled

Affirmation

Simple form

I could nibble
you could nibble
she could nibble
we could nibble
you could nibble
they could nibble

V-ing form

I could be nibbling
you could be nibbling
she could be nibbling
we could be nibbling
you could be nibbling
they could be nibbling

Perfect

I could have nibbled
you could have nibbled
she could have nibbled
we could have nibbled
you could have nibbled
they could have nibbled

V-ing perfect

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

Negation

Simple form

I could not nibble
you could not nibble
she could not nibble
we could not nibble
you could not nibble
they could not nibble

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I nibble?
could you nibble?
could she nibble?
could we nibble?
could you nibble?
could they nibble?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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