could warble
Regelmä&szlig;iges Verb: warble - warbled- warbled

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could warble
you could warble
she could warble
we could warble
you could warble
they could warble 	I could be warbling
you could be warbling
she could be warbling
we could be warbling
you could be warbling
they could be warbling	I could have warbled
you could have warbled
she could have warbled
we could have warbled
you could have warbled
they could have warbled	I could have been warbling
you could have been warbling
she could have been warbling
we could have been warbling
you could have been warbling
they could have been warbling	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't warble
you couldn't warble
she couldn't warble
we couldn't warble
you couldn't warble
they couldn't warble 	I couldn't be warbling
you couldn't be warbling
she couldn't be warbling
we couldn't be warbling
you couldn't be warbling
they couldn't be warbling	I couldn't have warbled
you couldn't have warbled
she couldn't have warbled
we couldn't have warbled
you couldn't have warbled
they couldn't have warbled	I couldn't have been warbling
you couldn't have been warbling
she couldn't have been warbling
we couldn't have been warbling
you couldn't have been warbling
they couldn't have been warbling	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I warble?
could you warble?
could she warble?
could we warble?
could you warble?
could they warble? 	could I be warbling?
could you be warbling?
could she be warbling?
could we be warbling?
could you be warbling?
could they be warbling? 	could I have warbled?
could you have warbled?
could she have warbled?
could we have warbled?
could you have warbled?
could they have warbled? 	could I have been warbling?
could you have been warbling?
could she have been warbling?
could we have been warbling?
could you have been warbling?
could they have been warbling? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I warble?
couldn't you warble?
couldn't she warble?
couldn't we warble?
couldn't you warble?
couldn't they warble? 	couldn't I be warbling?
couldn't you be warbling?
couldn't she be warbling?
couldn't we be warbling?
couldn't you be warbling?
couldn't they be warbling? 	couldn't I have warbled?
couldn't you have warbled?
couldn't she have warbled?
couldn't we have warbled?
couldn't you have warbled?
couldn't they have warbled? 	couldn't I have been warbling?
couldn't you have been warbling?
couldn't she have been warbling?
couldn't we have been warbling?
couldn't you have been warbling?
couldn't they have been warbling?