English verb conjugation
MUST CLEAN CLEAN

Regular verb: clean clean - clean cleaned - clean cleaned

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I must clean clean you must clean clean she must clean clean we must clean clean you must clean clean they must clean clean	I must be clean cleaning you must be clean cleaning she must be clean cleaning we must be clean cleaning you must be clean cleaning they must be clean cleaning
Perfect	V-ing perfect
I must have clean cleaned you must have clean cleaned she must have clean cleaned we must have clean cleaned you must have clean cleaned they must have clean cleaned	I must have been clean cleaning you must have been clean cleaning she must have been clean cleaning we must have been clean cleaning you must have been clean cleaning they must have been clean cleaning

Negation

Simple form	V-ing form
I must not clean clean you must not clean clean she must not clean clean we must not clean clean you must not clean clean they must not clean clean	I must not be clean cleaning you must not be clean cleaning she must not be clean cleaning we must not be clean cleaning you must not be clean cleaning they must not be clean cleaning
Perfect	V-ing perfect
I must not have clean cleaned you must not have clean cleaned she must not have clean cleaned we must not have clean cleaned you must not have clean cleaned they must not have clean cleaned	I must not have been clean cleaning you must not have been clean cleaning she must not have been clean cleaning we must not have been clean cleaning you must not have been clean cleaning they must not have been clean cleaning

Interrogative form

Simple form	V-ing form
must I clean clean? must you clean clean? must she clean clean? must we clean clean? must you clean clean? must they clean clean?	must I be clean cleaning? must you be clean cleaning? must she be clean cleaning? must we be clean cleaning? must you be clean cleaning? must they be clean cleaning?
Perfect	V-ing perfect
must I have clean cleaned? must you have clean cleaned? must she have clean cleaned? must we have clean cleaned? must you have clean cleaned? must they have clean cleaned?	must I have been clean cleaning? must you have been clean cleaning? must she have been clean cleaning? must we have been clean cleaning? must you have been clean cleaning? must they have been clean cleaning?

Interro-negative form

Simple form	V-ing form
must I not clean clean? must you not clean clean? must she not clean clean? must we not clean clean? must you not clean clean? must they not clean clean?	must I not be clean cleaning? must you not be clean cleaning? must she not be clean cleaning? must we not be clean cleaning? must you not be clean cleaning? must they not be clean cleaning?
Perfect	V-ing perfect
must I not have clean cleaned? must you not have clean cleaned? must she not have clean cleaned? must we not have clean cleaned? must you not have clean cleaned? must they not have clean cleaned?	must I not have been clean cleaning? must you not have been clean cleaning? must she not have been clean cleaning? must we not have been clean cleaning? must you not have been clean cleaning? must they not have been clean cleaning?