English verb conjugation COULD SCUM

Regular verb: scum - scummed - scummed

Affirmation

Simple form

I could scum
you could scum
he could scum
we could scum
you could scum
they could scum

V-ing form

I could be scumming
you could be scumming
he could be scumming
we could be scumming
you could be scumming
they could be scumming

Perfect

I could have scummed
you could have scummed
he could have scummed
we could have scummed
you could have scummed
they could have scummed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I scum?
could you scum?
could he scum?
could we scum?
could you scum?
could they scum?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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