can stumble
Regelmä&szlig;iges Verb: stumble - stumbled- stumbled

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I can stumble
you can stumble
she can stumble
we can stumble
you can stumble
they can stumble 	I can be stumbling
you can be stumbling
she can be stumbling
we can be stumbling
you can be stumbling
they can be stumbling	I can have stumbled
you can have stumbled
she can have stumbled
we can have stumbled
you can have stumbled
they can have stumbled	I can have been stumbling
you can have been stumbling
she can have been stumbling
we can have been stumbling
you can have been stumbling
they can have been stumbling	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I cannot stumble
you cannot stumble
she cannot stumble
we cannot stumble
you cannot stumble
they cannot stumble 	I cannot be stumbling
you cannot be stumbling
she cannot be stumbling
we cannot be stumbling
you cannot be stumbling
they cannot be stumbling	I cannot have stumbled
you cannot have stumbled
she cannot have stumbled
we cannot have stumbled
you cannot have stumbled
they cannot have stumbled	I cannot have been stumbling
you cannot have been stumbling
she cannot have been stumbling
we cannot have been stumbling
you cannot have been stumbling
they cannot have been stumbling	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
can I stumble?
can you stumble?
can she stumble?
can we stumble?
can you stumble?
can they stumble? 	can I be stumbling?
can you be stumbling?
can she be stumbling?
can we be stumbling?
can you be stumbling?
can they be stumbling? 	can I have stumbled?
can you have stumbled?
can she have stumbled?
can we have stumbled?
can you have stumbled?
can they have stumbled? 	can I have been stumbling?
can you have been stumbling?
can she have been stumbling?
can we have been stumbling?
can you have been stumbling?
can they have been stumbling? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
can I not stumble?
can you not stumble?
can she not stumble?
can we not stumble?
can you not stumble?
can they not stumble? 	can I not be stumbling?
can you not be stumbling?
can she not be stumbling?
can we not be stumbling?
can you not be stumbling?
can they not be stumbling? 	can I not have stumbled?
can you not have stumbled?
can she not have stumbled?
can we not have stumbled?
can you not have stumbled?
can they not have stumbled? 	can I not have been stumbling?
can you not have been stumbling?
can she not have been stumbling?
can we not have been stumbling?
can you not have been stumbling?
can they not have been stumbling?