English verb conjugation
CAN FAFF

Regular verb: faff - faffed - faffed

Affirmation

Simple form	V-ing form
I can faff you can faff he can faff we can faff you can faff they can faff	I can be faffing you can be faffing he can be faffing we can be faffing you can be faffing they can be faffing
Perfect	V-ing perfect
I can have faffed you can have faffed he can have faffed we can have faffed you can have faffed they can have faffed	I can have been faffing you can have been faffing he can have been faffing we can have been faffing you can have been faffing they can have been faffing

Negation

Simple form	V-ing form
I can't faff you can't faff he can't faff we can't faff you can't faff they can't faff	I can't be faffing you can't be faffing he can't be faffing we can't be faffing you can't be faffing they can't be faffing
Perfect	V-ing perfect
I can't have faffed you can't have faffed he can't have faffed we can't have faffed you can't have faffed they can't have faffed	I can't have been faffing you can't have been faffing he can't have been faffing we can't have been faffing you can't have been faffing they can't have been faffing

Interrogative form

Simple form	V-ing form
can I faff? can you faff? can he faff? can we faff? can you faff? can they faff?	can I be faffing? can you be faffing? can he be faffing? can we be faffing? can you be faffing? can they be faffing?
Perfect	V-ing perfect
can I have faffed? can you have faffed? can he have faffed? can we have faffed? can you have faffed? can they have faffed?	can I have been faffing? can you have been faffing? can he have been faffing? can we have been faffing? can you have been faffing? can they have been faffing?

Interro-negative form

Simple form	V-ing form
can't I faff? can't you faff? can't he faff? can't we faff? can't you faff? can't they faff?	can't I be faffing? can't you be faffing? can't he be faffing? can't we be faffing? can't you be faffing? can't they be faffing?
Perfect	V-ing perfect
can't I have faffed? can't you have faffed? can't he have faffed? can't we have faffed? can't you have faffed? can't they have faffed?	can't I have been faffing? can't you have been faffing? can't he have been faffing? can't we have been faffing? can't you have been faffing? can't they have been faffing?