English verb conjugation COULD OVERHEAR

Irregular verb: overhear - overheard - overheard

Affirmation

Simple form

I could overhear
you could overhear
he could overhear
we could overhear
you could overhear
they could overhear

V-ing form

I could be overhearing
you could be overhearing
he could be overhearing
we could be overhearing
you could be overhearing
they could be overhearing

Perfect

I could have overheard
you could have overheard
he could have overheard
we could have overheard
you could have overheard
they could have overheard

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I overhear?
could you overhear?
could he overhear?
could we overhear?
could you overhear?
could they overhear?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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