can pierce
Verbo regolare: pierce - pierced- pierced

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can pierce
you can pierce
he can pierce
we can pierce
you can pierce
they can pierce 	I can be piercing
you can be piercing
he can be piercing
we can be piercing
you can be piercing
they can be piercing	I can have pierced
you can have pierced
he can have pierced
we can have pierced
you can have pierced
they can have pierced	I can have been piercing
you can have been piercing
he can have been piercing
we can have been piercing
you can have been piercing
they can have been piercing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I cannot pierce
you cannot pierce
he cannot pierce
we cannot pierce
you cannot pierce
they cannot pierce 	I cannot be piercing
you cannot be piercing
he cannot be piercing
we cannot be piercing
you cannot be piercing
they cannot be piercing	I cannot have pierced
you cannot have pierced
he cannot have pierced
we cannot have pierced
you cannot have pierced
they cannot have pierced	I cannot have been piercing
you cannot have been piercing
he cannot have been piercing
we cannot have been piercing
you cannot have been piercing
they cannot have been piercing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I pierce?
can you pierce?
can he pierce?
can we pierce?
can you pierce?
can they pierce? 	can I be piercing?
can you be piercing?
can he be piercing?
can we be piercing?
can you be piercing?
can they be piercing? 	can I have pierced?
can you have pierced?
can he have pierced?
can we have pierced?
can you have pierced?
can they have pierced? 	can I have been piercing?
can you have been piercing?
can he have been piercing?
can we have been piercing?
can you have been piercing?
can they have been piercing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I not pierce?
can you not pierce?
can he not pierce?
can we not pierce?
can you not pierce?
can they not pierce? 	can I not be piercing?
can you not be piercing?
can he not be piercing?
can we not be piercing?
can you not be piercing?
can they not be piercing? 	can I not have pierced?
can you not have pierced?
can he not have pierced?
can we not have pierced?
can you not have pierced?
can they not have pierced? 	can I not have been piercing?
can you not have been piercing?
can he not have been piercing?
can we not have been piercing?
can you not have been piercing?
can they not have been piercing?