English verb conjugation
CAN PERISH

Regular verb: perish - perished - perished

Affirmation

Simple form	V-ing form
I can perish you can perish she can perish we can perish you can perish they can perish	I can be perishing you can be perishing she can be perishing we can be perishing you can be perishing they can be perishing
Perfect	V-ing perfect
I can have perished you can have perished she can have perished we can have perished you can have perished they can have perished	I can have been perishing you can have been perishing she can have been perishing we can have been perishing you can have been perishing they can have been perishing

Negation

Simple form	V-ing form
I can't perish you can't perish she can't perish we can't perish you can't perish they can't perish	I can't be perishing you can't be perishing she can't be perishing we can't be perishing you can't be perishing they can't be perishing
Perfect	V-ing perfect
I can't have perished you can't have perished she can't have perished we can't have perished you can't have perished they can't have perished	I can't have been perishing you can't have been perishing she can't have been perishing we can't have been perishing you can't have been perishing they can't have been perishing

Interrogative form

Simple form	V-ing form
can I perish? can you perish? can she perish? can we perish? can you perish? can they perish?	can I be perishing? can you be perishing? can she be perishing? can we be perishing? can you be perishing? can they be perishing?
Perfect	V-ing perfect
can I have perished? can you have perished? can she have perished? can we have perished? can you have perished? can they have perished?	can I have been perishing? can you have been perishing? can she have been perishing? can we have been perishing? can you have been perishing? can they have been perishing?

Interro-negative form

Simple form	V-ing form
can't I perish? can't you perish? can't she perish? can't we perish? can't you perish? can't they perish?	can't I be perishing? can't you be perishing? can't she be perishing? can't we be perishing? can't you be perishing? can't they be perishing?
Perfect	V-ing perfect
can't I have perished? can't you have perished? can't she have perished? can't we have perished? can't you have perished? can't they have perished?	can't I have been perishing? can't you have been perishing? can't she have been perishing? can't we have been perishing? can't you have been perishing? can't they have been perishing?