English verb conjugation CAN UNFASTEN

Regular verb: unfasten - unfastened - unfastened

Affirmation

Simple form

I can unfasten
you can unfasten
she can unfasten
we can unfasten
you can unfasten
they can unfasten

V-ing form

I can be unfastening
you can be unfastening
she can be unfastening
we can be unfastening
you can be unfastening
they can be unfastening

Perfect

I can have unfastened
you can have unfastened
she can have unfastened
we can have unfastened
you can have unfastened
they can have unfastened

V-ing perfect

I can have been unfastening
you can have been unfastening
she can have been unfastening
we can have been unfastening
you can have been unfastening
they can have been unfastening

Negation

Simple form

I cannot unfasten
you cannot unfasten
she cannot unfasten
we cannot unfasten
you cannot unfasten
they cannot unfasten

V-ing form

I cannot be unfastening
you cannot be unfastening
she cannot be unfastening
we cannot be unfastening
you cannot be unfastening
they cannot be unfastening

Perfect

I cannot have unfastened
you cannot have unfastened
she cannot have unfastened
we cannot have unfastened
you cannot have unfastened
they cannot have unfastened

V-ing perfect

I cannot have been unfastening
you cannot have been unfastening
she cannot have been unfastening
we cannot have been unfastening
you cannot have been unfastening
they cannot have been unfastening

Interrogative form

Simple form

can I unfasten?
can you unfasten?
can she unfasten?
can we unfasten?
can you unfasten?
can they unfasten?

V-ing form

can I be unfastening?
can you be unfastening?
can she be unfastening?
can we be unfastening?
can you be unfastening?
can they be unfastening?

Perfect

can I have unfastened?
can you have unfastened?
can she have unfastened?
can we have unfastened?
can you have unfastened?
can they have unfastened?

V-ing perfect

can I have been unfastening?
can you have been unfastening?
can she have been unfastening?
can we have been unfastening?
can you have been unfastening?
can they have been unfastening?

Interro-negative form

Simple form

can I not unfasten?
can you not unfasten?
can she not unfasten?
can we not unfasten?
can you not unfasten?
can they not unfasten?

V-ing form

can I not be unfastening?
can you not be unfastening?
can she not be unfastening?
can we not be unfastening?
can you not be unfastening?
can they not be unfastening?

Perfect

can I not have unfastened?
can you not have unfastened?
can she not have unfastened?
can we not have unfastened?
can you not have unfastened?
can they not have unfastened?

V-ing perfect

can I not have been unfastening?
can you not have been unfastening?
can she not have been unfastening?
can we not have been unfastening?
can you not have been unfastening?
can they not have been unfastening?

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