could clench
Regelmä&szlig;iges Verb: clench - clenched- clenched

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could clench
you could clench
he could clench
we could clench
you could clench
they could clench 	I could be clenching
you could be clenching
he could be clenching
we could be clenching
you could be clenching
they could be clenching	I could have clenched
you could have clenched
he could have clenched
we could have clenched
you could have clenched
they could have clenched	I could have been clenching
you could have been clenching
he could have been clenching
we could have been clenching
you could have been clenching
they could have been clenching	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not clench
you could not clench
he could not clench
we could not clench
you could not clench
they could not clench 	I could not be clenching
you could not be clenching
he could not be clenching
we could not be clenching
you could not be clenching
they could not be clenching	I could not have clenched
you could not have clenched
he could not have clenched
we could not have clenched
you could not have clenched
they could not have clenched	I could not have been clenching
you could not have been clenching
he could not have been clenching
we could not have been clenching
you could not have been clenching
they could not have been clenching	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I clench?
could you clench?
could he clench?
could we clench?
could you clench?
could they clench? 	could I be clenching?
could you be clenching?
could he be clenching?
could we be clenching?
could you be clenching?
could they be clenching? 	could I have clenched?
could you have clenched?
could he have clenched?
could we have clenched?
could you have clenched?
could they have clenched? 	could I have been clenching?
could you have been clenching?
could he have been clenching?
could we have been clenching?
could you have been clenching?
could they have been clenching? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not clench?
could you not clench?
could he not clench?
could we not clench?
could you not clench?
could they not clench? 	could I not be clenching?
could you not be clenching?
could he not be clenching?
could we not be clenching?
could you not be clenching?
could they not be clenching? 	could I not have clenched?
could you not have clenched?
could he not have clenched?
could we not have clenched?
could you not have clenched?
could they not have clenched? 	could I not have been clenching?
could you not have been clenching?
could he not have been clenching?
could we not have been clenching?
could you not have been clenching?
could they not have been clenching?