English verb conjugation
CAN SHOWCASE

Regular verb: showcase - showcased - showcased

Affirmation

Simple form	V-ing form
I can showcase you can showcase he can showcase we can showcase you can showcase they can showcase	I can be showcasing you can be showcasing he can be showcasing we can be showcasing you can be showcasing they can be showcasing
Perfect	V-ing perfect
I can have showcased you can have showcased he can have showcased we can have showcased you can have showcased they can have showcased	I can have been showcasing you can have been showcasing he can have been showcasing we can have been showcasing you can have been showcasing they can have been showcasing

Negation

Simple form	V-ing form
I cannot showcase you cannot showcase he cannot showcase we cannot showcase you cannot showcase they cannot showcase	I cannot be showcasing you cannot be showcasing he cannot be showcasing we cannot be showcasing you cannot be showcasing they cannot be showcasing
Perfect	V-ing perfect
I cannot have showcased you cannot have showcased he cannot have showcased we cannot have showcased you cannot have showcased they cannot have showcased	I cannot have been showcasing you cannot have been showcasing he cannot have been showcasing we cannot have been showcasing you cannot have been showcasing they cannot have been showcasing

Interrogative form

Simple form	V-ing form
can I showcase? can you showcase? can he showcase? can we showcase? can you showcase? can they showcase?	can I be showcasing? can you be showcasing? can he be showcasing? can we be showcasing? can you be showcasing? can they be showcasing?
Perfect	V-ing perfect
can I have showcased? can you have showcased? can he have showcased? can we have showcased? can you have showcased? can they have showcased?	can I have been showcasing? can you have been showcasing? can he have been showcasing? can we have been showcasing? can you have been showcasing? can they have been showcasing?

Interro-negative form

Simple form	V-ing form
can I not showcase? can you not showcase? can he not showcase? can we not showcase? can you not showcase? can they not showcase?	can I not be showcasing? can you not be showcasing? can he not be showcasing? can we not be showcasing? can you not be showcasing? can they not be showcasing?
Perfect	V-ing perfect
can I not have showcased? can you not have showcased? can he not have showcased? can we not have showcased? can you not have showcased? can they not have showcased?	can I not have been showcasing? can you not have been showcasing? can he not have been showcasing? can we not have been showcasing? can you not have been showcasing? can they not have been showcasing?