English verb conjugation
CAN TELL

Irregular verb: tell - told - told

Affirmation

Simple form	V-ing form
I can tell you can tell he can tell we can tell you can tell they can tell	I can be telling you can be telling he can be telling we can be telling you can be telling they can be telling
Perfect	V-ing perfect
I can have told you can have told he can have told we can have told you can have told they can have told	I can have been telling you can have been telling he can have been telling we can have been telling you can have been telling they can have been telling

Negation

Simple form	V-ing form
I can't tell you can't tell he can't tell we can't tell you can't tell they can't tell	I can't be telling you can't be telling he can't be telling we can't be telling you can't be telling they can't be telling
Perfect	V-ing perfect
I can't have told you can't have told he can't have told we can't have told you can't have told they can't have told	I can't have been telling you can't have been telling he can't have been telling we can't have been telling you can't have been telling they can't have been telling

Interrogative form

Simple form	V-ing form
can I tell? can you tell? can he tell? can we tell? can you tell? can they tell?	can I be telling? can you be telling? can he be telling? can we be telling? can you be telling? can they be telling?
Perfect	V-ing perfect
can I have told? can you have told? can he have told? can we have told? can you have told? can they have told?	can I have been telling? can you have been telling? can he have been telling? can we have been telling? can you have been telling? can they have been telling?

Interro-negative form

Simple form	V-ing form
can't I tell? can't you tell? can't he tell? can't we tell? can't you tell? can't they tell?	can't I be telling? can't you be telling? can't he be telling? can't we be telling? can't you be telling? can't they be telling?
Perfect	V-ing perfect
can't I have told? can't you have told? can't he have told? can't we have told? can't you have told? can't they have told?	can't I have been telling? can't you have been telling? can't he have been telling? can't we have been telling? can't you have been telling? can't they have been telling?