English verb conjugation COULD EARN

Regular verb: earn - earned - earned

Affirmation

Simple form

I could earn
you could earn
he could earn
we could earn
you could earn
they could earn

V-ing form

I could be earning
you could be earning
he could be earning
we could be earning
you could be earning
they could be earning

Perfect

I could have earned
you could have earned
he could have earned
we could have earned
you could have earned
they could have earned

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I earn?
could you earn?
could he earn?
could we earn?
could you earn?
could they earn?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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