English verb conjugation SHOULD FASTEN

Regular verb: fasten - fastened - fastened


Affirmation

Simple form

I should fasten
you should fasten
he should fasten
we should fasten
you should fasten
they should fasten

V-ing form

I should be fastening
you should be fastening
he should be fastening
we should be fastening
you should be fastening
they should be fastening

Perfect

I should have fastened
you should have fastened
he should have fastened
we should have fastened
you should have fastened
they should have fastened

V-ing perfect

I should have been fastening
you should have been fastening
he should have been fastening
we should have been fastening
you should have been fastening
they should have been fastening

Negation

Simple form

I should not fasten
you should not fasten
he should not fasten
we should not fasten
you should not fasten
they should not fasten

V-ing form

I should not be fastening
you should not be fastening
he should not be fastening
we should not be fastening
you should not be fastening
they should not be fastening

Perfect

I should not have fastened
you should not have fastened
he should not have fastened
we should not have fastened
you should not have fastened
they should not have fastened

V-ing perfect

I should not have been fastening
you should not have been fastening
he should not have been fastening
we should not have been fastening
you should not have been fastening
they should not have been fastening

Interrogative form

Simple form

should I fasten?
should you fasten?
should he fasten?
should we fasten?
should you fasten?
should they fasten?

V-ing form

should I be fastening?
should you be fastening?
should he be fastening?
should we be fastening?
should you be fastening?
should they be fastening?

Perfect

should I have fastened?
should you have fastened?
should he have fastened?
should we have fastened?
should you have fastened?
should they have fastened?

V-ing perfect

should I have been fastening?
should you have been fastening?
should he have been fastening?
should we have been fastening?
should you have been fastening?
should they have been fastening?

Interro-negative form

Simple form

should I not fasten?
should you not fasten?
should he not fasten?
should we not fasten?
should you not fasten?
should they not fasten?

V-ing form

should I not be fastening?
should you not be fastening?
should he not be fastening?
should we not be fastening?
should you not be fastening?
should they not be fastening?

Perfect

should I not have fastened?
should you not have fastened?
should he not have fastened?
should we not have fastened?
should you not have fastened?
should they not have fastened?

V-ing perfect

should I not have been fastening?
should you not have been fastening?
should he not have been fastening?
should we not have been fastening?
should you not have been fastening?
should they not have been fastening?