English verb conjugation COULD TERRAFORM

Regular verb: terraform - terraformed - terraformed

Affirmation

Simple form

I could terraform
you could terraform
he could terraform
we could terraform
you could terraform
they could terraform

V-ing form

I could be terraforming
you could be terraforming
he could be terraforming
we could be terraforming
you could be terraforming
they could be terraforming

Perfect

I could have terraformed
you could have terraformed
he could have terraformed
we could have terraformed
you could have terraformed
they could have terraformed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I terraform?
could you terraform?
could he terraform?
could we terraform?
could you terraform?
could they terraform?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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