English verb conjugation COULD DROWN

Regular verb: drown - drowned - drowned

Affirmation

Simple form

I could drown
you could drown
he could drown
we could drown
you could drown
they could drown

V-ing form

I could be drowning
you could be drowning
he could be drowning
we could be drowning
you could be drowning
they could be drowning

Perfect

I could have drowned
you could have drowned
he could have drowned
we could have drowned
you could have drowned
they could have drowned

V-ing perfect

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

Negation

Simple form

I couldn't drown
you couldn't drown
he couldn't drown
we couldn't drown
you couldn't drown
they couldn't drown

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I drown?
could you drown?
could he drown?
could we drown?
could you drown?
could they drown?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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