English verb conjugation
MUST SNAFU

Regular verb: snafu - snafued - snafued

Affirmation

Simple form	V-ing form
I must snafu you must snafu he must snafu we must snafu you must snafu they must snafu	I must be snafuing you must be snafuing he must be snafuing we must be snafuing you must be snafuing they must be snafuing
Perfect	V-ing perfect
I must have snafued you must have snafued he must have snafued we must have snafued you must have snafued they must have snafued	I must have been snafuing you must have been snafuing he must have been snafuing we must have been snafuing you must have been snafuing they must have been snafuing

Negation

Simple form	V-ing form
I must not snafu you must not snafu he must not snafu we must not snafu you must not snafu they must not snafu	I must not be snafuing you must not be snafuing he must not be snafuing we must not be snafuing you must not be snafuing they must not be snafuing
Perfect	V-ing perfect
I must not have snafued you must not have snafued he must not have snafued we must not have snafued you must not have snafued they must not have snafued	I must not have been snafuing you must not have been snafuing he must not have been snafuing we must not have been snafuing you must not have been snafuing they must not have been snafuing

Interrogative form

Simple form	V-ing form
must I snafu? must you snafu? must he snafu? must we snafu? must you snafu? must they snafu?	must I be snafuing? must you be snafuing? must he be snafuing? must we be snafuing? must you be snafuing? must they be snafuing?
Perfect	V-ing perfect
must I have snafued? must you have snafued? must he have snafued? must we have snafued? must you have snafued? must they have snafued?	must I have been snafuing? must you have been snafuing? must he have been snafuing? must we have been snafuing? must you have been snafuing? must they have been snafuing?

Interro-negative form

Simple form	V-ing form
must I not snafu? must you not snafu? must he not snafu? must we not snafu? must you not snafu? must they not snafu?	must I not be snafuing? must you not be snafuing? must he not be snafuing? must we not be snafuing? must you not be snafuing? must they not be snafuing?
Perfect	V-ing perfect
must I not have snafued? must you not have snafued? must he not have snafued? must we not have snafued? must you not have snafued? must they not have snafued?	must I not have been snafuing? must you not have been snafuing? must he not have been snafuing? must we not have been snafuing? must you not have been snafuing? must they not have been snafuing?