Conjugación del verbo inglés
CAN LUFF

Verbo regular: luff - luffed - luffed

Afirmación

Forma simple	Forma con V-ing
I can luff you can luff he can luff we can luff you can luff they can luff	I can be luffing you can be luffing he can be luffing we can be luffing you can be luffing they can be luffing
Perfecto	Perfecto con V-ing
I can have luffed you can have luffed he can have luffed we can have luffed you can have luffed they can have luffed	I can have been luffing you can have been luffing he can have been luffing we can have been luffing you can have been luffing they can have been luffing

Negación

Forma simple	Forma con V-ing
I can't luff you can't luff he can't luff we can't luff you can't luff they can't luff	I can't be luffing you can't be luffing he can't be luffing we can't be luffing you can't be luffing they can't be luffing
Perfecto	Perfecto con V-ing
I can't have luffed you can't have luffed he can't have luffed we can't have luffed you can't have luffed they can't have luffed	I can't have been luffing you can't have been luffing he can't have been luffing we can't have been luffing you can't have been luffing they can't have been luffing

Forma interrogativa

Forma simple	Forma con V-ing
can I luff? can you luff? can he luff? can we luff? can you luff? can they luff?	can I be luffing? can you be luffing? can he be luffing? can we be luffing? can you be luffing? can they be luffing?
Perfecto	Perfecto con V-ing
can I have luffed? can you have luffed? can he have luffed? can we have luffed? can you have luffed? can they have luffed?	can I have been luffing? can you have been luffing? can he have been luffing? can we have been luffing? can you have been luffing? can they have been luffing?

Forma interro-negativa

Forma simple	Forma con V-ing
can't I luff? can't you luff? can't he luff? can't we luff? can't you luff? can't they luff?	can't I be luffing? can't you be luffing? can't he be luffing? can't we be luffing? can't you be luffing? can't they be luffing?
Perfecto	Perfecto con V-ing
can't I have luffed? can't you have luffed? can't he have luffed? can't we have luffed? can't you have luffed? can't they have luffed?	can't I have been luffing? can't you have been luffing? can't he have been luffing? can't we have been luffing? can't you have been luffing? can't they have been luffing?