could instrument
Regelmä&szlig;iges Verb: instrument - instrumented- instrumented

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could instrument
you could instrument
she could instrument
we could instrument
you could instrument
they could instrument 	I could be instrumenting
you could be instrumenting
she could be instrumenting
we could be instrumenting
you could be instrumenting
they could be instrumenting	I could have instrumented
you could have instrumented
she could have instrumented
we could have instrumented
you could have instrumented
they could have instrumented	I could have been instrumenting
you could have been instrumenting
she could have been instrumenting
we could have been instrumenting
you could have been instrumenting
they could have been instrumenting	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not instrument
you could not instrument
she could not instrument
we could not instrument
you could not instrument
they could not instrument 	I could not be instrumenting
you could not be instrumenting
she could not be instrumenting
we could not be instrumenting
you could not be instrumenting
they could not be instrumenting	I could not have instrumented
you could not have instrumented
she could not have instrumented
we could not have instrumented
you could not have instrumented
they could not have instrumented	I could not have been instrumenting
you could not have been instrumenting
she could not have been instrumenting
we could not have been instrumenting
you could not have been instrumenting
they could not have been instrumenting	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I instrument?
could you instrument?
could she instrument?
could we instrument?
could you instrument?
could they instrument? 	could I be instrumenting?
could you be instrumenting?
could she be instrumenting?
could we be instrumenting?
could you be instrumenting?
could they be instrumenting? 	could I have instrumented?
could you have instrumented?
could she have instrumented?
could we have instrumented?
could you have instrumented?
could they have instrumented? 	could I have been instrumenting?
could you have been instrumenting?
could she have been instrumenting?
could we have been instrumenting?
could you have been instrumenting?
could they have been instrumenting? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not instrument?
could you not instrument?
could she not instrument?
could we not instrument?
could you not instrument?
could they not instrument? 	could I not be instrumenting?
could you not be instrumenting?
could she not be instrumenting?
could we not be instrumenting?
could you not be instrumenting?
could they not be instrumenting? 	could I not have instrumented?
could you not have instrumented?
could she not have instrumented?
could we not have instrumented?
could you not have instrumented?
could they not have instrumented? 	could I not have been instrumenting?
could you not have been instrumenting?
could she not have been instrumenting?
could we not have been instrumenting?
could you not have been instrumenting?
could they not have been instrumenting?