English verb conjugation
MUST TURF

Regular verb: turf - turfed - turfed

Affirmation

Simple form	V-ing form
I must turf you must turf he must turf we must turf you must turf they must turf	I must be turfing you must be turfing he must be turfing we must be turfing you must be turfing they must be turfing
Perfect	V-ing perfect
I must have turfed you must have turfed he must have turfed we must have turfed you must have turfed they must have turfed	I must have been turfing you must have been turfing he must have been turfing we must have been turfing you must have been turfing they must have been turfing

Negation

Simple form	V-ing form
I must not turf you must not turf he must not turf we must not turf you must not turf they must not turf	I must not be turfing you must not be turfing he must not be turfing we must not be turfing you must not be turfing they must not be turfing
Perfect	V-ing perfect
I must not have turfed you must not have turfed he must not have turfed we must not have turfed you must not have turfed they must not have turfed	I must not have been turfing you must not have been turfing he must not have been turfing we must not have been turfing you must not have been turfing they must not have been turfing

Interrogative form

Simple form	V-ing form
must I turf? must you turf? must he turf? must we turf? must you turf? must they turf?	must I be turfing? must you be turfing? must he be turfing? must we be turfing? must you be turfing? must they be turfing?
Perfect	V-ing perfect
must I have turfed? must you have turfed? must he have turfed? must we have turfed? must you have turfed? must they have turfed?	must I have been turfing? must you have been turfing? must he have been turfing? must we have been turfing? must you have been turfing? must they have been turfing?

Interro-negative form

Simple form	V-ing form
must I not turf? must you not turf? must he not turf? must we not turf? must you not turf? must they not turf?	must I not be turfing? must you not be turfing? must he not be turfing? must we not be turfing? must you not be turfing? must they not be turfing?
Perfect	V-ing perfect
must I not have turfed? must you not have turfed? must he not have turfed? must we not have turfed? must you not have turfed? must they not have turfed?	must I not have been turfing? must you not have been turfing? must he not have been turfing? must we not have been turfing? must you not have been turfing? must they not have been turfing?