English verb conjugation
COULD TURF

Regular verb: turf - turfed - turfed

Affirmation

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

Negation

Simple form	V-ing form
I couldn't turf you couldn't turf he couldn't turf we couldn't turf you couldn't turf they couldn't turf	I couldn't be turfing you couldn't be turfing he couldn't be turfing we couldn't be turfing you couldn't be turfing they couldn't be turfing
Perfect	V-ing perfect
I couldn't have turfed you couldn't have turfed he couldn't have turfed we couldn't have turfed you couldn't have turfed they couldn't have turfed	I couldn't have been turfing you couldn't have been turfing he couldn't have been turfing we couldn't have been turfing you couldn't have been turfing they couldn't have been turfing

Interrogative form

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

Interro-negative form

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