should fasten
Regelmä&szlig;iges Verb: fasten - fastened- fastened

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I'd fasten
you'd fasten
he'd fasten
we'd fasten
you'd fasten
they'd fasten 	I'd be fastening
you'd be fastening
he'd be fastening
we'd be fastening
you'd be fastening
they'd be fastening	I should've fastened
you should've fastened
he should've fastened
we should've fastened
you should've fastened
they should've fastened	I should've been fastening
you should've been fastening
he should've been fastening
we should've been fastening
you should've been fastening
they should've been fastening	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I shouldn't fasten
you shouldn't fasten
he shouldn't fasten
we shouldn't fasten
you shouldn't fasten
they shouldn't fasten 	I shouldn't be fastening
you shouldn't be fastening
he shouldn't be fastening
we shouldn't be fastening
you shouldn't be fastening
they shouldn't be fastening	I shouldn't have fastened
you shouldn't have fastened
he shouldn't have fastened
we shouldn't have fastened
you shouldn't have fastened
they shouldn't have fastened	I shouldn't have been fastening
you shouldn't have been fastening
he shouldn't have been fastening
we shouldn't have been fastening
you shouldn't have been fastening
they shouldn't have been fastening	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
should I fasten?
should you fasten?
should he fasten?
should we fasten?
should you fasten?
should they fasten? 	should I be fastening?
should you be fastening?
should he be fastening?
should we be fastening?
should you be fastening?
should they be fastening? 	should I have fastened?
should you have fastened?
should he have fastened?
should we have fastened?
should you have fastened?
should they have fastened? 	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? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
shouldn't I fasten?
shouldn't you fasten?
shouldn't he fasten?
shouldn't we fasten?
shouldn't you fasten?
shouldn't they fasten? 	shouldn't I be fastening?
shouldn't you be fastening?
shouldn't he be fastening?
shouldn't we be fastening?
shouldn't you be fastening?
shouldn't they be fastening? 	shouldn't I have fastened?
shouldn't you have fastened?
shouldn't he have fastened?
shouldn't we have fastened?
shouldn't you have fastened?
shouldn't they have fastened? 	shouldn't I have been fastening?
shouldn't you have been fastening?
shouldn't he have been fastening?
shouldn't we have been fastening?
shouldn't you have been fastening?
shouldn't they have been fastening?