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

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

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must not bubble
you must not bubble
he must not bubble
we must not bubble
you must not bubble
they must not bubble 	I must not be bubbling
you must not be bubbling
he must not be bubbling
we must not be bubbling
you must not be bubbling
they must not be bubbling	I must not have bubbled
you must not have bubbled
he must not have bubbled
we must not have bubbled
you must not have bubbled
they must not have bubbled	I must not have been bubbling
you must not have been bubbling
he must not have been bubbling
we must not have been bubbling
you must not have been bubbling
they must not have been bubbling	

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

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I not bubble?
must you not bubble?
must he not bubble?
must we not bubble?
must you not bubble?
must they not bubble? 	must I not be bubbling?
must you not be bubbling?
must he not be bubbling?
must we not be bubbling?
must you not be bubbling?
must they not be bubbling? 	must I not have bubbled?
must you not have bubbled?
must he not have bubbled?
must we not have bubbled?
must you not have bubbled?
must they not have bubbled? 	must I not have been bubbling?
must you not have been bubbling?
must he not have been bubbling?
must we not have been bubbling?
must you not have been bubbling?
must they not have been bubbling?