English verb conjugation
CAN INSTRUMENT

Regular verb: instrument - instrumented - instrumented

Affirmation

Simple form	V-ing form
I can instrument you can instrument he can instrument we can instrument you can instrument they can instrument	I can be instrumenting you can be instrumenting he can be instrumenting we can be instrumenting you can be instrumenting they can be instrumenting
Perfect	V-ing perfect
I can have instrumented you can have instrumented he can have instrumented we can have instrumented you can have instrumented they can have instrumented	I can have been instrumenting you can have been instrumenting he can have been instrumenting we can have been instrumenting you can have been instrumenting they can have been instrumenting

Negation

Simple form	V-ing form
I can't instrument you can't instrument he can't instrument we can't instrument you can't instrument they can't instrument	I can't be instrumenting you can't be instrumenting he can't be instrumenting we can't be instrumenting you can't be instrumenting they can't be instrumenting
Perfect	V-ing perfect
I can't have instrumented you can't have instrumented he can't have instrumented we can't have instrumented you can't have instrumented they can't have instrumented	I can't have been instrumenting you can't have been instrumenting he can't have been instrumenting we can't have been instrumenting you can't have been instrumenting they can't have been instrumenting

Interrogative form

Simple form	V-ing form
can I instrument? can you instrument? can he instrument? can we instrument? can you instrument? can they instrument?	can I be instrumenting? can you be instrumenting? can he be instrumenting? can we be instrumenting? can you be instrumenting? can they be instrumenting?
Perfect	V-ing perfect
can I have instrumented? can you have instrumented? can he have instrumented? can we have instrumented? can you have instrumented? can they have instrumented?	can I have been instrumenting? can you have been instrumenting? can he have been instrumenting? can we have been instrumenting? can you have been instrumenting? can they have been instrumenting?

Interro-negative form

Simple form	V-ing form
can't I instrument? can't you instrument? can't he instrument? can't we instrument? can't you instrument? can't they instrument?	can't I be instrumenting? can't you be instrumenting? can't he be instrumenting? can't we be instrumenting? can't you be instrumenting? can't they be instrumenting?
Perfect	V-ing perfect
can't I have instrumented? can't you have instrumented? can't he have instrumented? can't we have instrumented? can't you have instrumented? can't they have instrumented?	can't I have been instrumenting? can't you have been instrumenting? can't he have been instrumenting? can't we have been instrumenting? can't you have been instrumenting? can't they have been instrumenting?