should pierce
Regular verb: pierce - pierced- pierced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should pierce
you should pierce
he should pierce
we should pierce
you should pierce
they should pierce 	I should be piercing
you should be piercing
he should be piercing
we should be piercing
you should be piercing
they should be piercing	I should have pierced
you should have pierced
he should have pierced
we should have pierced
you should have pierced
they should have pierced	I should have been piercing
you should have been piercing
he should have been piercing
we should have been piercing
you should have been piercing
they should have been piercing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not pierce
you should not pierce
he should not pierce
we should not pierce
you should not pierce
they should not pierce 	I should not be piercing
you should not be piercing
he should not be piercing
we should not be piercing
you should not be piercing
they should not be piercing	I should not have pierced
you should not have pierced
he should not have pierced
we should not have pierced
you should not have pierced
they should not have pierced	I should not have been piercing
you should not have been piercing
he should not have been piercing
we should not have been piercing
you should not have been piercing
they should not have been piercing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I pierce?
should you pierce?
should he pierce?
should we pierce?
should you pierce?
should they pierce? 	should I be piercing?
should you be piercing?
should he be piercing?
should we be piercing?
should you be piercing?
should they be piercing? 	should I have pierced?
should you have pierced?
should he have pierced?
should we have pierced?
should you have pierced?
should they have pierced? 	should I have been piercing?
should you have been piercing?
should he have been piercing?
should we have been piercing?
should you have been piercing?
should they have been piercing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not pierce?
should you not pierce?
should he not pierce?
should we not pierce?
should you not pierce?
should they not pierce? 	should I not be piercing?
should you not be piercing?
should he not be piercing?
should we not be piercing?
should you not be piercing?
should they not be piercing? 	should I not have pierced?
should you not have pierced?
should he not have pierced?
should we not have pierced?
should you not have pierced?
should they not have pierced? 	should I not have been piercing?
should you not have been piercing?
should he not have been piercing?
should we not have been piercing?
should you not have been piercing?
should they not have been piercing?