English verb conjugation
MUST REGARD

Regular verb: regard - regarded - regarded

Affirmation

Simple form	V-ing form
I must regard you must regard he must regard we must regard you must regard they must regard	I must be regarding you must be regarding he must be regarding we must be regarding you must be regarding they must be regarding
Perfect	V-ing perfect
I must have regarded you must have regarded he must have regarded we must have regarded you must have regarded they must have regarded	I must have been regarding you must have been regarding he must have been regarding we must have been regarding you must have been regarding they must have been regarding

Negation

Simple form	V-ing form
I must not regard you must not regard he must not regard we must not regard you must not regard they must not regard	I must not be regarding you must not be regarding he must not be regarding we must not be regarding you must not be regarding they must not be regarding
Perfect	V-ing perfect
I must not have regarded you must not have regarded he must not have regarded we must not have regarded you must not have regarded they must not have regarded	I must not have been regarding you must not have been regarding he must not have been regarding we must not have been regarding you must not have been regarding they must not have been regarding

Interrogative form

Simple form	V-ing form
must I regard? must you regard? must he regard? must we regard? must you regard? must they regard?	must I be regarding? must you be regarding? must he be regarding? must we be regarding? must you be regarding? must they be regarding?
Perfect	V-ing perfect
must I have regarded? must you have regarded? must he have regarded? must we have regarded? must you have regarded? must they have regarded?	must I have been regarding? must you have been regarding? must he have been regarding? must we have been regarding? must you have been regarding? must they have been regarding?

Interro-negative form

Simple form	V-ing form
must I not regard? must you not regard? must he not regard? must we not regard? must you not regard? must they not regard?	must I not be regarding? must you not be regarding? must he not be regarding? must we not be regarding? must you not be regarding? must they not be regarding?
Perfect	V-ing perfect
must I not have regarded? must you not have regarded? must he not have regarded? must we not have regarded? must you not have regarded? must they not have regarded?	must I not have been regarding? must you not have been regarding? must he not have been regarding? must we not have been regarding? must you not have been regarding? must they not have been regarding?