English verb conjugation COULD RESPIRE

Regular verb: respire - respired - respired

Affirmation

Simple form

I could respire
you could respire
he could respire
we could respire
you could respire
they could respire

V-ing form

I could be respiring
you could be respiring
he could be respiring
we could be respiring
you could be respiring
they could be respiring

Perfect

I could have respired
you could have respired
he could have respired
we could have respired
you could have respired
they could have respired

V-ing perfect

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

Negation

Simple form

I could not respire
you could not respire
he could not respire
we could not respire
you could not respire
they could not respire

V-ing form

I could not be respiring
you could not be respiring
he could not be respiring
we could not be respiring
you could not be respiring
they could not be respiring

Perfect

I could not have respired
you could not have respired
he could not have respired
we could not have respired
you could not have respired
they could not have respired

V-ing perfect

I could not have been respiring
you could not have been respiring
he could not have been respiring
we could not have been respiring
you could not have been respiring
they could not have been respiring

Interrogative form

Simple form

could I respire?
could you respire?
could he respire?
could we respire?
could you respire?
could they respire?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not respire?
could you not respire?
could he not respire?
could we not respire?
could you not respire?
could they not respire?

V-ing form

could I not be respiring?
could you not be respiring?
could he not be respiring?
could we not be respiring?
could you not be respiring?
could they not be respiring?

Perfect

could I not have respired?
could you not have respired?
could he not have respired?
could we not have respired?
could you not have respired?
could they not have respired?

V-ing perfect

could I not have been respiring?
could you not have been respiring?
could he not have been respiring?
could we not have been respiring?
could you not have been respiring?
could they not have been respiring?

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