English verb conjugation COULD OVERTIGHTEN

Regular verb: overtighten - overtightened - overtightened

Affirmation

Simple form

I could overtighten
you could overtighten
he could overtighten
we could overtighten
you could overtighten
they could overtighten

V-ing form

I could be overtightening
you could be overtightening
he could be overtightening
we could be overtightening
you could be overtightening
they could be overtightening

Perfect

I could have overtightened
you could have overtightened
he could have overtightened
we could have overtightened
you could have overtightened
they could have overtightened

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I overtighten?
could you overtighten?
could he overtighten?
could we overtighten?
could you overtighten?
could they overtighten?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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