English verb conjugation
CAN PERSIST

Regular verb: persist - persisted - persisted

Affirmation

Simple form	V-ing form
I can persist you can persist he can persist we can persist you can persist they can persist	I can be persisting you can be persisting he can be persisting we can be persisting you can be persisting they can be persisting
Perfect	V-ing perfect
I can have persisted you can have persisted he can have persisted we can have persisted you can have persisted they can have persisted	I can have been persisting you can have been persisting he can have been persisting we can have been persisting you can have been persisting they can have been persisting

Negation

Simple form	V-ing form
I cannot persist you cannot persist he cannot persist we cannot persist you cannot persist they cannot persist	I cannot be persisting you cannot be persisting he cannot be persisting we cannot be persisting you cannot be persisting they cannot be persisting
Perfect	V-ing perfect
I cannot have persisted you cannot have persisted he cannot have persisted we cannot have persisted you cannot have persisted they cannot have persisted	I cannot have been persisting you cannot have been persisting he cannot have been persisting we cannot have been persisting you cannot have been persisting they cannot have been persisting

Interrogative form

Simple form	V-ing form
can I persist? can you persist? can he persist? can we persist? can you persist? can they persist?	can I be persisting? can you be persisting? can he be persisting? can we be persisting? can you be persisting? can they be persisting?
Perfect	V-ing perfect
can I have persisted? can you have persisted? can he have persisted? can we have persisted? can you have persisted? can they have persisted?	can I have been persisting? can you have been persisting? can he have been persisting? can we have been persisting? can you have been persisting? can they have been persisting?

Interro-negative form

Simple form	V-ing form
can I not persist? can you not persist? can he not persist? can we not persist? can you not persist? can they not persist?	can I not be persisting? can you not be persisting? can he not be persisting? can we not be persisting? can you not be persisting? can they not be persisting?
Perfect	V-ing perfect
can I not have persisted? can you not have persisted? can he not have persisted? can we not have persisted? can you not have persisted? can they not have persisted?	can I not have been persisting? can you not have been persisting? can he not have been persisting? can we not have been persisting? can you not have been persisting? can they not have been persisting?