English verb conjugation COULD LEATHER

Regular verb: leather - leathered - leathered

Affirmation

Simple form

I could leather
you could leather
she could leather
we could leather
you could leather
they could leather

V-ing form

I could be leathering
you could be leathering
she could be leathering
we could be leathering
you could be leathering
they could be leathering

Perfect

I could have leathered
you could have leathered
she could have leathered
we could have leathered
you could have leathered
they could have leathered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I leather?
could you leather?
could she leather?
could we leather?
could you leather?
could they leather?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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