English verb conjugation
MUST ENRICH

Regular verb: enrich - enriched - enriched

Affirmation

Simple form	V-ing form
I must enrich you must enrich she must enrich we must enrich you must enrich they must enrich	I must be enriching you must be enriching she must be enriching we must be enriching you must be enriching they must be enriching
Perfect	V-ing perfect
I must have enriched you must have enriched she must have enriched we must have enriched you must have enriched they must have enriched	I must have been enriching you must have been enriching she must have been enriching we must have been enriching you must have been enriching they must have been enriching

Negation

Simple form	V-ing form
I must not enrich you must not enrich she must not enrich we must not enrich you must not enrich they must not enrich	I must not be enriching you must not be enriching she must not be enriching we must not be enriching you must not be enriching they must not be enriching
Perfect	V-ing perfect
I must not have enriched you must not have enriched she must not have enriched we must not have enriched you must not have enriched they must not have enriched	I must not have been enriching you must not have been enriching she must not have been enriching we must not have been enriching you must not have been enriching they must not have been enriching

Interrogative form

Simple form	V-ing form
must I enrich? must you enrich? must she enrich? must we enrich? must you enrich? must they enrich?	must I be enriching? must you be enriching? must she be enriching? must we be enriching? must you be enriching? must they be enriching?
Perfect	V-ing perfect
must I have enriched? must you have enriched? must she have enriched? must we have enriched? must you have enriched? must they have enriched?	must I have been enriching? must you have been enriching? must she have been enriching? must we have been enriching? must you have been enriching? must they have been enriching?

Interro-negative form

Simple form	V-ing form
must I not enrich? must you not enrich? must she not enrich? must we not enrich? must you not enrich? must they not enrich?	must I not be enriching? must you not be enriching? must she not be enriching? must we not be enriching? must you not be enriching? must they not be enriching?
Perfect	V-ing perfect
must I not have enriched? must you not have enriched? must she not have enriched? must we not have enriched? must you not have enriched? must they not have enriched?	must I not have been enriching? must you not have been enriching? must she not have been enriching? must we not have been enriching? must you not have been enriching? must they not have been enriching?