English verb conjugation COULD BREATHE

Regular verb: breathe - breathed - breathed

Affirmation

Simple form

I could breathe
you could breathe
he could breathe
we could breathe
you could breathe
they could breathe

V-ing form

I could be breathing
you could be breathing
he could be breathing
we could be breathing
you could be breathing
they could be breathing

Perfect

I could have breathed
you could have breathed
he 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
he 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
he 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
he 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
he 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
he 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 he breathe?
could we breathe?
could you breathe?
could they breathe?

V-ing form

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

Perfect

could I have breathed?
could you have breathed?
could he 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 he 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 he 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 he 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 he 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 he 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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