English verb conjugation
CAN FRONT

Regular verb: front - fronted - fronted

Affirmation

Simple form	V-ing form
I can front you can front he can front we can front you can front they can front	I can be fronting you can be fronting he can be fronting we can be fronting you can be fronting they can be fronting
Perfect	V-ing perfect
I can have fronted you can have fronted he can have fronted we can have fronted you can have fronted they can have fronted	I can have been fronting you can have been fronting he can have been fronting we can have been fronting you can have been fronting they can have been fronting

Negation

Simple form	V-ing form
I can't front you can't front he can't front we can't front you can't front they can't front	I can't be fronting you can't be fronting he can't be fronting we can't be fronting you can't be fronting they can't be fronting
Perfect	V-ing perfect
I can't have fronted you can't have fronted he can't have fronted we can't have fronted you can't have fronted they can't have fronted	I can't have been fronting you can't have been fronting he can't have been fronting we can't have been fronting you can't have been fronting they can't have been fronting

Interrogative form

Simple form	V-ing form
can I front? can you front? can he front? can we front? can you front? can they front?	can I be fronting? can you be fronting? can he be fronting? can we be fronting? can you be fronting? can they be fronting?
Perfect	V-ing perfect
can I have fronted? can you have fronted? can he have fronted? can we have fronted? can you have fronted? can they have fronted?	can I have been fronting? can you have been fronting? can he have been fronting? can we have been fronting? can you have been fronting? can they have been fronting?

Interro-negative form

Simple form	V-ing form
can't I front? can't you front? can't he front? can't we front? can't you front? can't they front?	can't I be fronting? can't you be fronting? can't he be fronting? can't we be fronting? can't you be fronting? can't they be fronting?
Perfect	V-ing perfect
can't I have fronted? can't you have fronted? can't he have fronted? can't we have fronted? can't you have fronted? can't they have fronted?	can't I have been fronting? can't you have been fronting? can't he have been fronting? can't we have been fronting? can't you have been fronting? can't they have been fronting?