English verb conjugation COULD UNDERWORK

Regular verb: underwork - underworked - underworked

Affirmation

Simple form

I could underwork
you could underwork
he could underwork
we could underwork
you could underwork
they could underwork

V-ing form

I could be underworking
you could be underworking
he could be underworking
we could be underworking
you could be underworking
they could be underworking

Perfect

I could have underworked
you could have underworked
he could have underworked
we could have underworked
you could have underworked
they could have underworked

V-ing perfect

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

Negation

Simple form

I could not underwork
you could not underwork
he could not underwork
we could not underwork
you could not underwork
they could not underwork

V-ing form

I could not be underworking
you could not be underworking
he could not be underworking
we could not be underworking
you could not be underworking
they could not be underworking

Perfect

I could not have underworked
you could not have underworked
he could not have underworked
we could not have underworked
you could not have underworked
they could not have underworked

V-ing perfect

I could not have been underworking
you could not have been underworking
he could not have been underworking
we could not have been underworking
you could not have been underworking
they could not have been underworking

Interrogative form

Simple form

could I underwork?
could you underwork?
could he underwork?
could we underwork?
could you underwork?
could they underwork?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not underwork?
could you not underwork?
could he not underwork?
could we not underwork?
could you not underwork?
could they not underwork?

V-ing form

could I not be underworking?
could you not be underworking?
could he not be underworking?
could we not be underworking?
could you not be underworking?
could they not be underworking?

Perfect

could I not have underworked?
could you not have underworked?
could he not have underworked?
could we not have underworked?
could you not have underworked?
could they not have underworked?

V-ing perfect

could I not have been underworking?
could you not have been underworking?
could he not have been underworking?
could we not have been underworking?
could you not have been underworking?
could they not have been underworking?

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