English verb conjugation COULD SIUM

Regular verb: sium - siumed - siumed

Affirmation

Simple form

I could sium
you could sium
he could sium
we could sium
you could sium
they could sium

V-ing form

I could be siuming
you could be siuming
he could be siuming
we could be siuming
you could be siuming
they could be siuming

Perfect

I could have siumed
you could have siumed
he could have siumed
we could have siumed
you could have siumed
they could have siumed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I sium?
could you sium?
could he sium?
could we sium?
could you sium?
could they sium?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top