English verb conjugation CAN UNFASTEN

Regular verb: unfasten - unfastened - unfastened

Affirmation

Simple form

I can unfasten
you can unfasten
he can unfasten
we can unfasten
you can unfasten
they can unfasten

V-ing form

I can be unfastening
you can be unfastening
he can be unfastening
we can be unfastening
you can be unfastening
they can be unfastening

Perfect

I can have unfastened
you can have unfastened
he 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
he 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
he cannot unfasten
we cannot unfasten
you cannot unfasten
they cannot unfasten

V-ing form

I cannot be unfastening
you cannot be unfastening
he cannot be unfastening
we cannot be unfastening
you cannot be unfastening
they cannot be unfastening

Perfect

I cannot have unfastened
you cannot have unfastened
he 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
he 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 he unfasten?
can we unfasten?
can you unfasten?
can they unfasten?

V-ing form

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

Perfect

can I have unfastened?
can you have unfastened?
can he 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 he 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 he 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 he 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 he 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 he 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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