English verb conjugation COULD BREATHE

Regular verb: breathe - breathed - breathed

Affirmation

Simple form

I could breathe
you could breathe
she could breathe
we could breathe
you could breathe
they could breathe

V-ing form

I could be breathing
you could be breathing
she could be breathing
we could be breathing
you could be breathing
they could be breathing

Perfect

I could have breathed
you could have breathed
she could have breathed
we could have breathed
you could have breathed
they could have breathed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I breathe?
could you breathe?
could she breathe?
could we breathe?
could you breathe?
could they breathe?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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