English verb conjugation COULD PENETRATE

Regular verb: penetrate - penetrated - penetrated

Affirmation

Simple form

I could penetrate
you could penetrate
he could penetrate
we could penetrate
you could penetrate
they could penetrate

V-ing form

I could be penetrating
you could be penetrating
he could be penetrating
we could be penetrating
you could be penetrating
they could be penetrating

Perfect

I could have penetrated
you could have penetrated
he could have penetrated
we could have penetrated
you could have penetrated
they could have penetrated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I penetrate?
could you penetrate?
could he penetrate?
could we penetrate?
could you penetrate?
could they penetrate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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