English verb conjugation
CAN SHOW

Irregular verb: show - showed - shown

Affirmation

Simple form	V-ing form
I can show you can show she can show we can show you can show they can show	I can be showing you can be showing she can be showing we can be showing you can be showing they can be showing
Perfect	V-ing perfect
I can have shown you can have shown she can have shown we can have shown you can have shown they can have shown	I can have been showing you can have been showing she can have been showing we can have been showing you can have been showing they can have been showing

Negation

Simple form	V-ing form
I cannot show you cannot show she cannot show we cannot show you cannot show they cannot show	I cannot be showing you cannot be showing she cannot be showing we cannot be showing you cannot be showing they cannot be showing
Perfect	V-ing perfect
I cannot have shown you cannot have shown she cannot have shown we cannot have shown you cannot have shown they cannot have shown	I cannot have been showing you cannot have been showing she cannot have been showing we cannot have been showing you cannot have been showing they cannot have been showing

Interrogative form

Simple form	V-ing form
can I show? can you show? can she show? can we show? can you show? can they show?	can I be showing? can you be showing? can she be showing? can we be showing? can you be showing? can they be showing?
Perfect	V-ing perfect
can I have shown? can you have shown? can she have shown? can we have shown? can you have shown? can they have shown?	can I have been showing? can you have been showing? can she have been showing? can we have been showing? can you have been showing? can they have been showing?

Interro-negative form

Simple form	V-ing form
can I not show? can you not show? can she not show? can we not show? can you not show? can they not show?	can I not be showing? can you not be showing? can she not be showing? can we not be showing? can you not be showing? can they not be showing?
Perfect	V-ing perfect
can I not have shown? can you not have shown? can she not have shown? can we not have shown? can you not have shown? can they not have shown?	can I not have been showing? can you not have been showing? can she not have been showing? can we not have been showing? can you not have been showing? can they not have been showing?