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 couldn't teethe
you couldn't teethe
he couldn't teethe
we couldn't teethe
you couldn't teethe
they couldn't teethe

V-ing form

I couldn't be teething
you couldn't be teething
he couldn't be teething
we couldn't be teething
you couldn't be teething
they couldn't be teething

Perfect

I couldn't have teethed
you couldn't have teethed
he couldn't have teethed
we couldn't have teethed
you couldn't have teethed
they couldn't have teethed

V-ing perfect

I couldn't have been teething
you couldn't have been teething
he couldn't have been teething
we couldn't have been teething
you couldn't have been teething
they couldn't 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

couldn't I teethe?
couldn't you teethe?
couldn't he teethe?
couldn't we teethe?
couldn't you teethe?
couldn't they teethe?

V-ing form

couldn't I be teething?
couldn't you be teething?
couldn't he be teething?
couldn't we be teething?
couldn't you be teething?
couldn't they be teething?

Perfect

couldn't I have teethed?
couldn't you have teethed?
couldn't he have teethed?
couldn't we have teethed?
couldn't you have teethed?
couldn't they have teethed?

V-ing perfect

couldn't I have been teething?
couldn't you have been teething?
couldn't he have been teething?
couldn't we have been teething?
couldn't you have been teething?
couldn't they have been teething?

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