could instrument
Verbe régulier : instrument - instrumented- instrumented
Traduction française : orchestrer - munir ou équiper d'instruments 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en 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	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't instrument
you couldn't instrument
she couldn't instrument
we couldn't instrument
you couldn't instrument
they couldn't instrument 	I couldn't be instrumenting
you couldn't be instrumenting
she couldn't be instrumenting
we couldn't be instrumenting
you couldn't be instrumenting
they couldn't be instrumenting	I couldn't have instrumented
you couldn't have instrumented
she couldn't have instrumented
we couldn't have instrumented
you couldn't have instrumented
they couldn't have instrumented	I couldn't have been instrumenting
you couldn't have been instrumenting
she couldn't have been instrumenting
we couldn't have been instrumenting
you couldn't have been instrumenting
they couldn't have been instrumenting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en 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? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I instrument?
couldn't you instrument?
couldn't she instrument?
couldn't we instrument?
couldn't you instrument?
couldn't they instrument? 	couldn't I be instrumenting?
couldn't you be instrumenting?
couldn't she be instrumenting?
couldn't we be instrumenting?
couldn't you be instrumenting?
couldn't they be instrumenting? 	couldn't I have instrumented?
couldn't you have instrumented?
couldn't she have instrumented?
couldn't we have instrumented?
couldn't you have instrumented?
couldn't they have instrumented? 	couldn't I have been instrumenting?
couldn't you have been instrumenting?
couldn't she have been instrumenting?
couldn't we have been instrumenting?
couldn't you have been instrumenting?
couldn't they have been instrumenting?