English verb conjugation COULD HARNESS

Regular verb: harness - harnessed - harnessed

Affirmation

Simple form

I could harness
you could harness
he could harness
we could harness
you could harness
they could harness

V-ing form

I could be harnessing
you could be harnessing
he could be harnessing
we could be harnessing
you could be harnessing
they could be harnessing

Perfect

I could have harnessed
you could have harnessed
he could have harnessed
we could have harnessed
you could have harnessed
they could have harnessed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I harness?
could you harness?
could he harness?
could we harness?
could you harness?
could they harness?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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