could crack
Regelmä&szlig;iges Verb: crack - cracked- cracked

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could crack
you could crack
she could crack
we could crack
you could crack
they could crack 	I could be cracking
you could be cracking
she could be cracking
we could be cracking
you could be cracking
they could be cracking	I could have cracked
you could have cracked
she could have cracked
we could have cracked
you could have cracked
they could have cracked	I could have been cracking
you could have been cracking
she could have been cracking
we could have been cracking
you could have been cracking
they could have been cracking	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't crack
you couldn't crack
she couldn't crack
we couldn't crack
you couldn't crack
they couldn't crack 	I couldn't be cracking
you couldn't be cracking
she couldn't be cracking
we couldn't be cracking
you couldn't be cracking
they couldn't be cracking	I couldn't have cracked
you couldn't have cracked
she couldn't have cracked
we couldn't have cracked
you couldn't have cracked
they couldn't have cracked	I couldn't have been cracking
you couldn't have been cracking
she couldn't have been cracking
we couldn't have been cracking
you couldn't have been cracking
they couldn't have been cracking	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I crack?
could you crack?
could she crack?
could we crack?
could you crack?
could they crack? 	could I be cracking?
could you be cracking?
could she be cracking?
could we be cracking?
could you be cracking?
could they be cracking? 	could I have cracked?
could you have cracked?
could she have cracked?
could we have cracked?
could you have cracked?
could they have cracked? 	could I have been cracking?
could you have been cracking?
could she have been cracking?
could we have been cracking?
could you have been cracking?
could they have been cracking? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I crack?
couldn't you crack?
couldn't she crack?
couldn't we crack?
couldn't you crack?
couldn't they crack? 	couldn't I be cracking?
couldn't you be cracking?
couldn't she be cracking?
couldn't we be cracking?
couldn't you be cracking?
couldn't they be cracking? 	couldn't I have cracked?
couldn't you have cracked?
couldn't she have cracked?
couldn't we have cracked?
couldn't you have cracked?
couldn't they have cracked? 	couldn't I have been cracking?
couldn't you have been cracking?
couldn't she have been cracking?
couldn't we have been cracking?
couldn't you have been cracking?
couldn't they have been cracking?