English verb conjugation COULD SWALLOW

Regular verb: swallow - swallowed - swallowed

Affirmation

Simple form

I could swallow
you could swallow
he could swallow
we could swallow
you could swallow
they could swallow

V-ing form

I could be swallowing
you could be swallowing
he could be swallowing
we could be swallowing
you could be swallowing
they could be swallowing

Perfect

I could have swallowed
you could have swallowed
he could have swallowed
we could have swallowed
you could have swallowed
they could have swallowed

V-ing perfect

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

Negation

Simple form

I could not swallow
you could not swallow
he could not swallow
we could not swallow
you could not swallow
they could not swallow

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I swallow?
could you swallow?
could he swallow?
could we swallow?
could you swallow?
could they swallow?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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