English verb conjugation
MUST INSTRUMENT

Regular verb: instrument - instrumented - instrumented

Affirmation

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

Negation

Simple form	V-ing form
I must not instrument you must not instrument he must not instrument we must not instrument you must not instrument they must not instrument	I must not be instrumenting you must not be instrumenting he must not be instrumenting we must not be instrumenting you must not be instrumenting they must not be instrumenting
Perfect	V-ing perfect
I must not have instrumented you must not have instrumented he must not have instrumented we must not have instrumented you must not have instrumented they must not have instrumented	I must not have been instrumenting you must not have been instrumenting he must not have been instrumenting we must not have been instrumenting you must not have been instrumenting they must not have been instrumenting

Interrogative form

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

Interro-negative form

Simple form	V-ing form
must I not instrument? must you not instrument? must he not instrument? must we not instrument? must you not instrument? must they not instrument?	must I not be instrumenting? must you not be instrumenting? must he not be instrumenting? must we not be instrumenting? must you not be instrumenting? must they not be instrumenting?
Perfect	V-ing perfect
must I not have instrumented? must you not have instrumented? must he not have instrumented? must we not have instrumented? must you not have instrumented? must they not have instrumented?	must I not have been instrumenting? must you not have been instrumenting? must he not have been instrumenting? must we not have been instrumenting? must you not have been instrumenting? must they not have been instrumenting?