could abstain
Regelmä&szlig;iges Verb: abstain - abstained- abstained

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could abstain
you could abstain
he could abstain
we could abstain
you could abstain
they could abstain 	I could be abstaining
you could be abstaining
he could be abstaining
we could be abstaining
you could be abstaining
they could be abstaining	I could have abstained
you could have abstained
he could have abstained
we could have abstained
you could have abstained
they could have abstained	I could have been abstaining
you could have been abstaining
he could have been abstaining
we could have been abstaining
you could have been abstaining
they could have been abstaining	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't abstain
you couldn't abstain
he couldn't abstain
we couldn't abstain
you couldn't abstain
they couldn't abstain 	I couldn't be abstaining
you couldn't be abstaining
he couldn't be abstaining
we couldn't be abstaining
you couldn't be abstaining
they couldn't be abstaining	I couldn't have abstained
you couldn't have abstained
he couldn't have abstained
we couldn't have abstained
you couldn't have abstained
they couldn't have abstained	I couldn't have been abstaining
you couldn't have been abstaining
he couldn't have been abstaining
we couldn't have been abstaining
you couldn't have been abstaining
they couldn't have been abstaining	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I abstain?
could you abstain?
could he abstain?
could we abstain?
could you abstain?
could they abstain? 	could I be abstaining?
could you be abstaining?
could he be abstaining?
could we be abstaining?
could you be abstaining?
could they be abstaining? 	could I have abstained?
could you have abstained?
could he have abstained?
could we have abstained?
could you have abstained?
could they have abstained? 	could I have been abstaining?
could you have been abstaining?
could he have been abstaining?
could we have been abstaining?
could you have been abstaining?
could they have been abstaining? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I abstain?
couldn't you abstain?
couldn't he abstain?
couldn't we abstain?
couldn't you abstain?
couldn't they abstain? 	couldn't I be abstaining?
couldn't you be abstaining?
couldn't he be abstaining?
couldn't we be abstaining?
couldn't you be abstaining?
couldn't they be abstaining? 	couldn't I have abstained?
couldn't you have abstained?
couldn't he have abstained?
couldn't we have abstained?
couldn't you have abstained?
couldn't they have abstained? 	couldn't I have been abstaining?
couldn't you have been abstaining?
couldn't he have been abstaining?
couldn't we have been abstaining?
couldn't you have been abstaining?
couldn't they have been abstaining?