English verb conjugation
CAN INITIAL

Regular verb: initial - initialed - initialed

Affirmation

Simple form	V-ing form
I can initial you can initial he can initial we can initial you can initial they can initial	I can be initialing you can be initialing he can be initialing we can be initialing you can be initialing they can be initialing
Perfect	V-ing perfect
I can have initialed you can have initialed he can have initialed we can have initialed you can have initialed they can have initialed	I can have been initialing you can have been initialing he can have been initialing we can have been initialing you can have been initialing they can have been initialing

Negation

Simple form	V-ing form
I can't initial you can't initial he can't initial we can't initial you can't initial they can't initial	I can't be initialing you can't be initialing he can't be initialing we can't be initialing you can't be initialing they can't be initialing
Perfect	V-ing perfect
I can't have initialed you can't have initialed he can't have initialed we can't have initialed you can't have initialed they can't have initialed	I can't have been initialing you can't have been initialing he can't have been initialing we can't have been initialing you can't have been initialing they can't have been initialing

Interrogative form

Simple form	V-ing form
can I initial? can you initial? can he initial? can we initial? can you initial? can they initial?	can I be initialing? can you be initialing? can he be initialing? can we be initialing? can you be initialing? can they be initialing?
Perfect	V-ing perfect
can I have initialed? can you have initialed? can he have initialed? can we have initialed? can you have initialed? can they have initialed?	can I have been initialing? can you have been initialing? can he have been initialing? can we have been initialing? can you have been initialing? can they have been initialing?

Interro-negative form

Simple form	V-ing form
can't I initial? can't you initial? can't he initial? can't we initial? can't you initial? can't they initial?	can't I be initialing? can't you be initialing? can't he be initialing? can't we be initialing? can't you be initialing? can't they be initialing?
Perfect	V-ing perfect
can't I have initialed? can't you have initialed? can't he have initialed? can't we have initialed? can't you have initialed? can't they have initialed?	can't I have been initialing? can't you have been initialing? can't he have been initialing? can't we have been initialing? can't you have been initialing? can't they have been initialing?