English verb conjugation
MUST SAFEGUARD

Regular verb: safeguard - safeguarded - safeguarded

Affirmation

Simple form	V-ing form
I must safeguard you must safeguard he must safeguard we must safeguard you must safeguard they must safeguard	I must be safeguarding you must be safeguarding he must be safeguarding we must be safeguarding you must be safeguarding they must be safeguarding
Perfect	V-ing perfect
I must have safeguarded you must have safeguarded he must have safeguarded we must have safeguarded you must have safeguarded they must have safeguarded	I must have been safeguarding you must have been safeguarding he must have been safeguarding we must have been safeguarding you must have been safeguarding they must have been safeguarding

Negation

Simple form	V-ing form
I must not safeguard you must not safeguard he must not safeguard we must not safeguard you must not safeguard they must not safeguard	I must not be safeguarding you must not be safeguarding he must not be safeguarding we must not be safeguarding you must not be safeguarding they must not be safeguarding
Perfect	V-ing perfect
I must not have safeguarded you must not have safeguarded he must not have safeguarded we must not have safeguarded you must not have safeguarded they must not have safeguarded	I must not have been safeguarding you must not have been safeguarding he must not have been safeguarding we must not have been safeguarding you must not have been safeguarding they must not have been safeguarding

Interrogative form

Simple form	V-ing form
must I safeguard? must you safeguard? must he safeguard? must we safeguard? must you safeguard? must they safeguard?	must I be safeguarding? must you be safeguarding? must he be safeguarding? must we be safeguarding? must you be safeguarding? must they be safeguarding?
Perfect	V-ing perfect
must I have safeguarded? must you have safeguarded? must he have safeguarded? must we have safeguarded? must you have safeguarded? must they have safeguarded?	must I have been safeguarding? must you have been safeguarding? must he have been safeguarding? must we have been safeguarding? must you have been safeguarding? must they have been safeguarding?

Interro-negative form

Simple form	V-ing form
must I not safeguard? must you not safeguard? must he not safeguard? must we not safeguard? must you not safeguard? must they not safeguard?	must I not be safeguarding? must you not be safeguarding? must he not be safeguarding? must we not be safeguarding? must you not be safeguarding? must they not be safeguarding?
Perfect	V-ing perfect
must I not have safeguarded? must you not have safeguarded? must he not have safeguarded? must we not have safeguarded? must you not have safeguarded? must they not have safeguarded?	must I not have been safeguarding? must you not have been safeguarding? must he not have been safeguarding? must we not have been safeguarding? must you not have been safeguarding? must they not have been safeguarding?