could boom
Regelmä&szlig;iges Verb: boom - boomed- boomed

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could boom
you could boom
she could boom
we could boom
you could boom
they could boom 	I could be booming
you could be booming
she could be booming
we could be booming
you could be booming
they could be booming	I could have boomed
you could have boomed
she could have boomed
we could have boomed
you could have boomed
they could have boomed	I could have been booming
you could have been booming
she could have been booming
we could have been booming
you could have been booming
they could have been booming	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't boom
you couldn't boom
she couldn't boom
we couldn't boom
you couldn't boom
they couldn't boom 	I couldn't be booming
you couldn't be booming
she couldn't be booming
we couldn't be booming
you couldn't be booming
they couldn't be booming	I couldn't have boomed
you couldn't have boomed
she couldn't have boomed
we couldn't have boomed
you couldn't have boomed
they couldn't have boomed	I couldn't have been booming
you couldn't have been booming
she couldn't have been booming
we couldn't have been booming
you couldn't have been booming
they couldn't have been booming	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I boom?
could you boom?
could she boom?
could we boom?
could you boom?
could they boom? 	could I be booming?
could you be booming?
could she be booming?
could we be booming?
could you be booming?
could they be booming? 	could I have boomed?
could you have boomed?
could she have boomed?
could we have boomed?
could you have boomed?
could they have boomed? 	could I have been booming?
could you have been booming?
could she have been booming?
could we have been booming?
could you have been booming?
could they have been booming? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I boom?
couldn't you boom?
couldn't she boom?
couldn't we boom?
couldn't you boom?
couldn't they boom? 	couldn't I be booming?
couldn't you be booming?
couldn't she be booming?
couldn't we be booming?
couldn't you be booming?
couldn't they be booming? 	couldn't I have boomed?
couldn't you have boomed?
couldn't she have boomed?
couldn't we have boomed?
couldn't you have boomed?
couldn't they have boomed? 	couldn't I have been booming?
couldn't you have been booming?
couldn't she have been booming?
couldn't we have been booming?
couldn't you have been booming?
couldn't they have been booming?