English verb conjugation COULD UNDERWORK

Regular verb: underwork - underworked - underworked

Affirmation

Simple form

I could underwork
you could underwork
she could underwork
we could underwork
you could underwork
they could underwork

V-ing form

I could be underworking
you could be underworking
she could be underworking
we could be underworking
you could be underworking
they could be underworking

Perfect

I could have underworked
you could have underworked
she 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
she could have been underworking
we could have been underworking
you could have been underworking
they could have been underworking

Negation

Simple form

I couldn't underwork
you couldn't underwork
she couldn't underwork
we couldn't underwork
you couldn't underwork
they couldn't underwork

V-ing form

I couldn't be underworking
you couldn't be underworking
she couldn't be underworking
we couldn't be underworking
you couldn't be underworking
they couldn't be underworking

Perfect

I couldn't have underworked
you couldn't have underworked
she couldn't have underworked
we couldn't have underworked
you couldn't have underworked
they couldn't have underworked

V-ing perfect

I couldn't have been underworking
you couldn't have been underworking
she couldn't have been underworking
we couldn't have been underworking
you couldn't have been underworking
they couldn't have been underworking

Interrogative form

Simple form

could I underwork?
could you underwork?
could she underwork?
could we underwork?
could you underwork?
could they underwork?

V-ing form

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

Perfect

could I have underworked?
could you have underworked?
could she 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 she have been underworking?
could we have been underworking?
could you have been underworking?
could they have been underworking?

Interro-negative form

Simple form

couldn't I underwork?
couldn't you underwork?
couldn't she underwork?
couldn't we underwork?
couldn't you underwork?
couldn't they underwork?

V-ing form

couldn't I be underworking?
couldn't you be underworking?
couldn't she be underworking?
couldn't we be underworking?
couldn't you be underworking?
couldn't they be underworking?

Perfect

couldn't I have underworked?
couldn't you have underworked?
couldn't she have underworked?
couldn't we have underworked?
couldn't you have underworked?
couldn't they have underworked?

V-ing perfect

couldn't I have been underworking?
couldn't you have been underworking?
couldn't she have been underworking?
couldn't we have been underworking?
couldn't you have been underworking?
couldn't they have been underworking?

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