Verbo regular: instrument - instrumented - instrumented
Afirmación
Forma simple
I could instrument you could instrument he could instrument we could instrument you could instrument they could instrument
Forma con V-ing
I could be instrumenting you could be instrumenting he could be instrumenting we could be instrumenting you could be instrumenting they could be instrumenting
Perfecto
I could have instrumented you could have instrumented he could have instrumented we could have instrumented you could have instrumented they could have instrumented
Perfecto con V-ing
I could have been instrumenting you could have been instrumenting he could have been instrumenting we could have been instrumenting you could have been instrumenting they could have been instrumenting
Negación
Forma simple
I couldn't instrument you couldn't instrument he couldn't instrument we couldn't instrument you couldn't instrument they couldn't instrument
Forma con V-ing
I couldn't be instrumenting you couldn't be instrumenting he couldn't be instrumenting we couldn't be instrumenting you couldn't be instrumenting they couldn't be instrumenting
Perfecto
I couldn't have instrumented you couldn't have instrumented he couldn't have instrumented we couldn't have instrumented you couldn't have instrumented they couldn't have instrumented
Perfecto con V-ing
I couldn't have been instrumenting you couldn't have been instrumenting he couldn't have been instrumenting we couldn't have been instrumenting you couldn't have been instrumenting they couldn't have been instrumenting
Forma interrogativa
Forma simple
could I instrument? could you instrument? could he instrument? could we instrument? could you instrument? could they instrument?
Forma con V-ing
could I be instrumenting? could you be instrumenting? could he be instrumenting? could we be instrumenting? could you be instrumenting? could they be instrumenting?
Perfecto
could I have instrumented? could you have instrumented? could he have instrumented? could we have instrumented? could you have instrumented? could they have instrumented?
Perfecto con V-ing
could I have been instrumenting? could you have been instrumenting? could he have been instrumenting? could we have been instrumenting? could you have been instrumenting? could they have been instrumenting?
Forma interro-negativa
Forma simple
couldn't I instrument? couldn't you instrument? couldn't he instrument? couldn't we instrument? couldn't you instrument? couldn't they instrument?
Forma con V-ing
couldn't I be instrumenting? couldn't you be instrumenting? couldn't he be instrumenting? couldn't we be instrumenting? couldn't you be instrumenting? couldn't they be instrumenting?
Perfecto
couldn't I have instrumented? couldn't you have instrumented? couldn't he have instrumented? couldn't we have instrumented? couldn't you have instrumented? couldn't they have instrumented?
Perfecto con V-ing
couldn't I have been instrumenting? couldn't you have been instrumenting? couldn't he have been instrumenting? couldn't we have been instrumenting? couldn't you have been instrumenting? couldn't they have been instrumenting?