English verb conjugation COULD SEAM

Regular verb: seam - seamed - seamed

Affirmation

Simple form

I could seam
you could seam
he could seam
we could seam
you could seam
they could seam

V-ing form

I could be seaming
you could be seaming
he could be seaming
we could be seaming
you could be seaming
they could be seaming

Perfect

I could have seamed
you could have seamed
he could have seamed
we could have seamed
you could have seamed
they could have seamed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I seam?
could you seam?
could he seam?
could we seam?
could you seam?
could they seam?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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