English verb conjugation COULD SCRUB

Regular verb: scrub - scrubbed - scrubbed

Affirmation

Simple form

I could scrub
you could scrub
he could scrub
we could scrub
you could scrub
they could scrub

V-ing form

I could be scrubbing
you could be scrubbing
he could be scrubbing
we could be scrubbing
you could be scrubbing
they could be scrubbing

Perfect

I could have scrubbed
you could have scrubbed
he could have scrubbed
we could have scrubbed
you could have scrubbed
they could have scrubbed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I scrub?
could you scrub?
could he scrub?
could we scrub?
could you scrub?
could they scrub?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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