English verb conjugation COULD SEETHE

Regular verb: seethe - seethed - seethed

Affirmation

Simple form

I could seethe
you could seethe
he could seethe
we could seethe
you could seethe
they could seethe

V-ing form

I could be seething
you could be seething
he could be seething
we could be seething
you could be seething
they could be seething

Perfect

I could have seethed
you could have seethed
he could have seethed
we could have seethed
you could have seethed
they could have seethed

V-ing perfect

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

Negation

Simple form

I couldn't seethe
you couldn't seethe
he couldn't seethe
we couldn't seethe
you couldn't seethe
they couldn't seethe

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I seethe?
could you seethe?
could he seethe?
could we seethe?
could you seethe?
could they seethe?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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