male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation SHOULD FASTEN
Regular verb: fasten - fastened - fastened
Affirmation
Simple form
I'd fastenyou'd fasten
she'd fasten
we'd fasten
you'd fasten
they'd fasten
V-ing form
I'd be fasteningyou'd be fastening
she'd be fastening
we'd be fastening
you'd be fastening
they'd be fastening
Perfect
I should've fastenedyou should've fastened
she should've fastened
we should've fastened
you should've fastened
they should've fastened
V-ing perfect
I should've been fasteningyou should've been fastening
she should've been fastening
we should've been fastening
you should've been fastening
they should've been fastening
Negation
Simple form
I shouldn't fastenyou shouldn't fasten
she shouldn't fasten
we shouldn't fasten
you shouldn't fasten
they shouldn't fasten
V-ing form
I shouldn't be fasteningyou shouldn't be fastening
she shouldn't be fastening
we shouldn't be fastening
you shouldn't be fastening
they shouldn't be fastening
Perfect
I shouldn't have fastenedyou shouldn't have fastened
she shouldn't have fastened
we shouldn't have fastened
you shouldn't have fastened
they shouldn't have fastened
V-ing perfect
I shouldn't have been fasteningyou shouldn't have been fastening
she shouldn't have been fastening
we shouldn't have been fastening
you shouldn't have been fastening
they shouldn't have been fastening
Interrogative form
Simple form
should I fasten?should you fasten?
should she fasten?
should we fasten?
should you fasten?
should they fasten?
V-ing form
should I be fastening?should you be fastening?
should she be fastening?
should we be fastening?
should you be fastening?
should they be fastening?
Perfect
should I have fastened?should you have fastened?
should she 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 she have been fastening?
should we have been fastening?
should you have been fastening?
should they have been fastening?
Interro-negative form
Simple form
shouldn't I fasten?shouldn't you fasten?
shouldn't she fasten?
shouldn't we fasten?
shouldn't you fasten?
shouldn't they fasten?
V-ing form
shouldn't I be fastening?shouldn't you be fastening?
shouldn't she be fastening?
shouldn't we be fastening?
shouldn't you be fastening?
shouldn't they be fastening?
Perfect
shouldn't I have fastened?shouldn't you have fastened?
shouldn't she have fastened?
shouldn't we have fastened?
shouldn't you have fastened?
shouldn't they have fastened?
V-ing perfect
shouldn't I have been fastening?shouldn't you have been fastening?
shouldn't she have been fastening?
shouldn't we have been fastening?
shouldn't you have been fastening?
shouldn't they have been fastening?