English verb conjugation COULD OVERHEAR

Irregular verb: overhear - overheard - overheard

Affirmation

Simple form

I could overhear
you could overhear
she could overhear
we could overhear
you could overhear
they could overhear

V-ing form

I could be overhearing
you could be overhearing
she could be overhearing
we could be overhearing
you could be overhearing
they could be overhearing

Perfect

I could have overheard
you could have overheard
she 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
she 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
she 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
she 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
she 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
she 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 she overhear?
could we overhear?
could you overhear?
could they overhear?

V-ing form

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

Perfect

could I have overheard?
could you have overheard?
could she 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 she 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 she 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 she 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 she 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 she 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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