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 mustn't turf you mustn't turf he mustn't turf we mustn't turf you mustn't turf they mustn't turf	I mustn't be turfing you mustn't be turfing he mustn't be turfing we mustn't be turfing you mustn't be turfing they mustn't be turfing
Perfect	V-ing perfect
I mustn't have turfed you mustn't have turfed he mustn't have turfed we mustn't have turfed you mustn't have turfed they mustn't have turfed	I mustn't have been turfing you mustn't have been turfing he mustn't have been turfing we mustn't have been turfing you mustn't have been turfing they mustn't 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
mustn't I turf? mustn't you turf? mustn't he turf? mustn't we turf? mustn't you turf? mustn't they turf?	mustn't I be turfing? mustn't you be turfing? mustn't he be turfing? mustn't we be turfing? mustn't you be turfing? mustn't they be turfing?
Perfect	V-ing perfect
mustn't I have turfed? mustn't you have turfed? mustn't he have turfed? mustn't we have turfed? mustn't you have turfed? mustn't they have turfed?	mustn't I have been turfing? mustn't you have been turfing? mustn't he have been turfing? mustn't we have been turfing? mustn't you have been turfing? mustn't they have been turfing?