English verb conjugation COULD KNOCK KNOCK

Regular verb: knock knock - knock knocked - knock knocked

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form

I could knock knock
you could knock knock
he could knock knock
we could knock knock
you could knock knock
they could knock knock

V-ing form

I could be knock knocking
you could be knock knocking
he could be knock knocking
we could be knock knocking
you could be knock knocking
they could be knock knocking

Perfect

I could have knock knocked
you could have knock knocked
he could have knock knocked
we could have knock knocked
you could have knock knocked
they could have knock knocked

V-ing perfect

I could have been knock knocking
you could have been knock knocking
he could have been knock knocking
we could have been knock knocking
you could have been knock knocking
they could have been knock knocking

Negation

Simple form

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

V-ing form

I couldn't be knock knocking
you couldn't be knock knocking
he couldn't be knock knocking
we couldn't be knock knocking
you couldn't be knock knocking
they couldn't be knock knocking

Perfect

I couldn't have knock knocked
you couldn't have knock knocked
he couldn't have knock knocked
we couldn't have knock knocked
you couldn't have knock knocked
they couldn't have knock knocked

V-ing perfect

I couldn't have been knock knocking
you couldn't have been knock knocking
he couldn't have been knock knocking
we couldn't have been knock knocking
you couldn't have been knock knocking
they couldn't have been knock knocking

Interrogative form

Simple form

could I knock knock?
could you knock knock?
could he knock knock?
could we knock knock?
could you knock knock?
could they knock knock?

V-ing form

could I be knock knocking?
could you be knock knocking?
could he be knock knocking?
could we be knock knocking?
could you be knock knocking?
could they be knock knocking?

Perfect

could I have knock knocked?
could you have knock knocked?
could he have knock knocked?
could we have knock knocked?
could you have knock knocked?
could they have knock knocked?

V-ing perfect

could I have been knock knocking?
could you have been knock knocking?
could he have been knock knocking?
could we have been knock knocking?
could you have been knock knocking?
could they have been knock knocking?

Interro-negative form

Simple form

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

V-ing form

couldn't I be knock knocking?
couldn't you be knock knocking?
couldn't he be knock knocking?
couldn't we be knock knocking?
couldn't you be knock knocking?
couldn't they be knock knocking?

Perfect

couldn't I have knock knocked?
couldn't you have knock knocked?
couldn't he have knock knocked?
couldn't we have knock knocked?
couldn't you have knock knocked?
couldn't they have knock knocked?

V-ing perfect

couldn't I have been knock knocking?
couldn't you have been knock knocking?
couldn't he have been knock knocking?
couldn't we have been knock knocking?
couldn't you have been knock knocking?
couldn't they have been knock knocking?

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