English verb conjugation COULD UNLOCK

Regular verb: unlock - unlocked - unlocked

Affirmation

Simple form

I could unlock
you could unlock
he could unlock
we could unlock
you could unlock
they could unlock

V-ing form

I could be unlocking
you could be unlocking
he could be unlocking
we could be unlocking
you could be unlocking
they could be unlocking

Perfect

I could have unlocked
you could have unlocked
he could have unlocked
we could have unlocked
you could have unlocked
they could have unlocked

V-ing perfect

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

Negation

Simple form

I could not unlock
you could not unlock
he could not unlock
we could not unlock
you could not unlock
they could not unlock

V-ing form

I could not be unlocking
you could not be unlocking
he could not be unlocking
we could not be unlocking
you could not be unlocking
they could not be unlocking

Perfect

I could not have unlocked
you could not have unlocked
he could not have unlocked
we could not have unlocked
you could not have unlocked
they could not have unlocked

V-ing perfect

I could not have been unlocking
you could not have been unlocking
he could not have been unlocking
we could not have been unlocking
you could not have been unlocking
they could not have been unlocking

Interrogative form

Simple form

could I unlock?
could you unlock?
could he unlock?
could we unlock?
could you unlock?
could they unlock?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not unlock?
could you not unlock?
could he not unlock?
could we not unlock?
could you not unlock?
could they not unlock?

V-ing form

could I not be unlocking?
could you not be unlocking?
could he not be unlocking?
could we not be unlocking?
could you not be unlocking?
could they not be unlocking?

Perfect

could I not have unlocked?
could you not have unlocked?
could he not have unlocked?
could we not have unlocked?
could you not have unlocked?
could they not have unlocked?

V-ing perfect

could I not have been unlocking?
could you not have been unlocking?
could he not have been unlocking?
could we not have been unlocking?
could you not have been unlocking?
could they not have been unlocking?

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