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 couldn't swallow
you couldn't swallow
he couldn't swallow
we couldn't swallow
you couldn't swallow
they couldn't swallow

V-ing form

I couldn't be swallowing
you couldn't be swallowing
he couldn't be swallowing
we couldn't be swallowing
you couldn't be swallowing
they couldn't be swallowing

Perfect

I couldn't have swallowed
you couldn't have swallowed
he couldn't have swallowed
we couldn't have swallowed
you couldn't have swallowed
they couldn't have swallowed

V-ing perfect

I couldn't have been swallowing
you couldn't have been swallowing
he couldn't have been swallowing
we couldn't have been swallowing
you couldn't have been swallowing
they couldn't 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

couldn't I swallow?
couldn't you swallow?
couldn't he swallow?
couldn't we swallow?
couldn't you swallow?
couldn't they swallow?

V-ing form

couldn't I be swallowing?
couldn't you be swallowing?
couldn't he be swallowing?
couldn't we be swallowing?
couldn't you be swallowing?
couldn't they be swallowing?

Perfect

couldn't I have swallowed?
couldn't you have swallowed?
couldn't he have swallowed?
couldn't we have swallowed?
couldn't you have swallowed?
couldn't they have swallowed?

V-ing perfect

couldn't I have been swallowing?
couldn't you have been swallowing?
couldn't he have been swallowing?
couldn't we have been swallowing?
couldn't you have been swallowing?
couldn't they have been swallowing?

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