English verb conjugation COULD WORK

Regular verb: work - worked - worked

Affirmation

Simple form

I could work
you could work
she could work
we could work
you could work
they could work

V-ing form

I could be working
you could be working
she could be working
we could be working
you could be working
they could be working

Perfect

I could have worked
you could have worked
she could have worked
we could have worked
you could have worked
they could have worked

V-ing perfect

I could have been working
you could have been working
she could have been working
we could have been working
you could have been working
they could have been working

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I work?
could you work?
could she work?
could we work?
could you work?
could they work?

V-ing form

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

Perfect

could I have worked?
could you have worked?
could she have worked?
could we have worked?
could you have worked?
could they have worked?

V-ing perfect

could I have been working?
could you have been working?
could she have been working?
could we have been working?
could you have been working?
could they have been working?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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