English verb conjugation
CAN PRANK

Regular verb: prank - pranked - pranked

Affirmation

Simple form	V-ing form
I can prank you can prank she can prank we can prank you can prank they can prank	I can be pranking you can be pranking she can be pranking we can be pranking you can be pranking they can be pranking
Perfect	V-ing perfect
I can have pranked you can have pranked she can have pranked we can have pranked you can have pranked they can have pranked	I can have been pranking you can have been pranking she can have been pranking we can have been pranking you can have been pranking they can have been pranking

Negation

Simple form	V-ing form
I cannot prank you cannot prank she cannot prank we cannot prank you cannot prank they cannot prank	I cannot be pranking you cannot be pranking she cannot be pranking we cannot be pranking you cannot be pranking they cannot be pranking
Perfect	V-ing perfect
I cannot have pranked you cannot have pranked she cannot have pranked we cannot have pranked you cannot have pranked they cannot have pranked	I cannot have been pranking you cannot have been pranking she cannot have been pranking we cannot have been pranking you cannot have been pranking they cannot have been pranking

Interrogative form

Simple form	V-ing form
can I prank? can you prank? can she prank? can we prank? can you prank? can they prank?	can I be pranking? can you be pranking? can she be pranking? can we be pranking? can you be pranking? can they be pranking?
Perfect	V-ing perfect
can I have pranked? can you have pranked? can she have pranked? can we have pranked? can you have pranked? can they have pranked?	can I have been pranking? can you have been pranking? can she have been pranking? can we have been pranking? can you have been pranking? can they have been pranking?

Interro-negative form

Simple form	V-ing form
can I not prank? can you not prank? can she not prank? can we not prank? can you not prank? can they not prank?	can I not be pranking? can you not be pranking? can she not be pranking? can we not be pranking? can you not be pranking? can they not be pranking?
Perfect	V-ing perfect
can I not have pranked? can you not have pranked? can she not have pranked? can we not have pranked? can you not have pranked? can they not have pranked?	can I not have been pranking? can you not have been pranking? can she not have been pranking? can we not have been pranking? can you not have been pranking? can they not have been pranking?