can perish
Regular verb: perish - perished- perished

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?