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male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

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 cannot fasten
you cannot fasten
she cannot fasten
we cannot fasten
you cannot fasten
they cannot fasten
V-ing form
I cannot be fastening
you cannot be fastening
she cannot be fastening
we cannot be fastening
you cannot be fastening
they cannot be fastening
Perfect
I cannot have fastened
you cannot have fastened
she cannot have fastened
we cannot have fastened
you cannot have fastened
they cannot have fastened
V-ing perfect
I cannot have been fastening
you cannot have been fastening
she cannot have been fastening
we cannot have been fastening
you cannot have been fastening
they cannot 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 I not fasten?
can you not fasten?
can she not fasten?
can we not fasten?
can you not fasten?
can they not fasten?
V-ing form
can I not be fastening?
can you not be fastening?
can she not be fastening?
can we not be fastening?
can you not be fastening?
can they not be fastening?
Perfect
can I not have fastened?
can you not have fastened?
can she not have fastened?
can we not have fastened?
can you not have fastened?
can they not have fastened?
V-ing perfect
can I not have been fastening?
can you not have been fastening?
can she not have been fastening?
can we not have been fastening?
can you not have been fastening?
can they not have been fastening?