could bubble
Regelmä&szlig;iges Verb: bubble - bubbled- bubbled

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could bubble
you could bubble
she could bubble
we could bubble
you could bubble
they could bubble 	I could be bubbling
you could be bubbling
she could be bubbling
we could be bubbling
you could be bubbling
they could be bubbling	I could have bubbled
you could have bubbled
she could have bubbled
we could have bubbled
you could have bubbled
they could have bubbled	I could have been bubbling
you could have been bubbling
she could have been bubbling
we could have been bubbling
you could have been bubbling
they could have been bubbling	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't bubble
you couldn't bubble
she couldn't bubble
we couldn't bubble
you couldn't bubble
they couldn't bubble 	I couldn't be bubbling
you couldn't be bubbling
she couldn't be bubbling
we couldn't be bubbling
you couldn't be bubbling
they couldn't be bubbling	I couldn't have bubbled
you couldn't have bubbled
she couldn't have bubbled
we couldn't have bubbled
you couldn't have bubbled
they couldn't have bubbled	I couldn't have been bubbling
you couldn't have been bubbling
she couldn't have been bubbling
we couldn't have been bubbling
you couldn't have been bubbling
they couldn't have been bubbling	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I bubble?
could you bubble?
could she bubble?
could we bubble?
could you bubble?
could they bubble? 	could I be bubbling?
could you be bubbling?
could she be bubbling?
could we be bubbling?
could you be bubbling?
could they be bubbling? 	could I have bubbled?
could you have bubbled?
could she have bubbled?
could we have bubbled?
could you have bubbled?
could they have bubbled? 	could I have been bubbling?
could you have been bubbling?
could she have been bubbling?
could we have been bubbling?
could you have been bubbling?
could they have been bubbling? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I bubble?
couldn't you bubble?
couldn't she bubble?
couldn't we bubble?
couldn't you bubble?
couldn't they bubble? 	couldn't I be bubbling?
couldn't you be bubbling?
couldn't she be bubbling?
couldn't we be bubbling?
couldn't you be bubbling?
couldn't they be bubbling? 	couldn't I have bubbled?
couldn't you have bubbled?
couldn't she have bubbled?
couldn't we have bubbled?
couldn't you have bubbled?
couldn't they have bubbled? 	couldn't I have been bubbling?
couldn't you have been bubbling?
couldn't she have been bubbling?
couldn't we have been bubbling?
couldn't you have been bubbling?
couldn't they have been bubbling?