English verb conjugation CAN FASTEN

Regular verb: fasten - fastened - fastened

Affirmation

Simple form

I can fasten
you can fasten
she can fasten
we can fasten
you can fasten
they can fasten

V-ing form

I can be fastening
you can be fastening
she can be fastening
we can be fastening
you can be fastening
they can be fastening

Perfect

I can have fastened
you can have fastened
she can have fastened
we can have fastened
you can have fastened
they can have fastened

V-ing perfect

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

Negation

Simple form

I can't fasten
you can't fasten
she can't fasten
we can't fasten
you can't fasten
they can't fasten

V-ing form

I can't be fastening
you can't be fastening
she can't be fastening
we can't be fastening
you can't be fastening
they can't be fastening

Perfect

I can't have fastened
you can't have fastened
she can't have fastened
we can't have fastened
you can't have fastened
they can't have fastened

V-ing perfect

I can't have been fastening
you can't have been fastening
she can't have been fastening
we can't have been fastening
you can't have been fastening
they can't have been fastening

Interrogative form

Simple form

can I fasten?
can you fasten?
can she fasten?
can we fasten?
can you fasten?
can they fasten?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

can't I fasten?
can't you fasten?
can't she fasten?
can't we fasten?
can't you fasten?
can't they fasten?

V-ing form

can't I be fastening?
can't you be fastening?
can't she be fastening?
can't we be fastening?
can't you be fastening?
can't they be fastening?

Perfect

can't I have fastened?
can't you have fastened?
can't she have fastened?
can't we have fastened?
can't you have fastened?
can't they have fastened?

V-ing perfect

can't I have been fastening?
can't you have been fastening?
can't she have been fastening?
can't we have been fastening?
can't you have been fastening?
can't they have been fastening?

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