English verb conjugation COULD TEETHE

Regular verb: teethe - teethed - teethed

Affirmation

Simple form

I could teethe
you could teethe
he could teethe
we could teethe
you could teethe
they could teethe

V-ing form

I could be teething
you could be teething
he could be teething
we could be teething
you could be teething
they could be teething

Perfect

I could have teethed
you could have teethed
he could have teethed
we could have teethed
you could have teethed
they could have teethed

V-ing perfect

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

Negation

Simple form

I could not teethe
you could not teethe
he could not teethe
we could not teethe
you could not teethe
they could not teethe

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I teethe?
could you teethe?
could he teethe?
could we teethe?
could you teethe?
could they teethe?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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