can turf
Verbo regular: turf - turfed- turfed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can turf
you can turf
he can turf
we can turf
you can turf
they can turf 	I can be turfing
you can be turfing
he can be turfing
we can be turfing
you can be turfing
they can be turfing	I can have turfed
you can have turfed
he can have turfed
we can have turfed
you can have turfed
they can have turfed	I can have been turfing
you can have been turfing
he can have been turfing
we can have been turfing
you can have been turfing
they can have been turfing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot turf
you cannot turf
he cannot turf
we cannot turf
you cannot turf
they cannot turf 	I cannot be turfing
you cannot be turfing
he cannot be turfing
we cannot be turfing
you cannot be turfing
they cannot be turfing	I cannot have turfed
you cannot have turfed
he cannot have turfed
we cannot have turfed
you cannot have turfed
they cannot have turfed	I cannot have been turfing
you cannot have been turfing
he cannot have been turfing
we cannot have been turfing
you cannot have been turfing
they cannot have been turfing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I turf?
can you turf?
can he turf?
can we turf?
can you turf?
can they turf? 	can I be turfing?
can you be turfing?
can he be turfing?
can we be turfing?
can you be turfing?
can they be turfing? 	can I have turfed?
can you have turfed?
can he have turfed?
can we have turfed?
can you have turfed?
can they have turfed? 	can I have been turfing?
can you have been turfing?
can he have been turfing?
can we have been turfing?
can you have been turfing?
can they have been turfing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not turf?
can you not turf?
can he not turf?
can we not turf?
can you not turf?
can they not turf? 	can I not be turfing?
can you not be turfing?
can he not be turfing?
can we not be turfing?
can you not be turfing?
can they not be turfing? 	can I not have turfed?
can you not have turfed?
can he not have turfed?
can we not have turfed?
can you not have turfed?
can they not have turfed? 	can I not have been turfing?
can you not have been turfing?
can he not have been turfing?
can we not have been turfing?
can you not have been turfing?
can they not have been turfing?