English verb conjugation COULD OVERWORK

Regular verb: overwork - overworked - overworked

Affirmation

Simple form

I could overwork
you could overwork
he could overwork
we could overwork
you could overwork
they could overwork

V-ing form

I could be overworking
you could be overworking
he could be overworking
we could be overworking
you could be overworking
they could be overworking

Perfect

I could have overworked
you could have overworked
he could have overworked
we could have overworked
you could have overworked
they could have overworked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I overwork?
could you overwork?
could he overwork?
could we overwork?
could you overwork?
could they overwork?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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