Conjugación del verbo inglés
CAN PIERCE

Verbo regular: pierce - pierced - pierced

Afirmación

Forma simple	Forma con V-ing
I can pierce you can pierce she can pierce we can pierce you can pierce they can pierce	I can be piercing you can be piercing she can be piercing we can be piercing you can be piercing they can be piercing
Perfecto	Perfecto con V-ing
I can have pierced you can have pierced she 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 she can have been piercing we can have been piercing you can have been piercing they can have been piercing

Negación

Forma simple	Forma con V-ing
I can't pierce you can't pierce she can't pierce we can't pierce you can't pierce they can't pierce	I can't be piercing you can't be piercing she can't be piercing we can't be piercing you can't be piercing they can't be piercing
Perfecto	Perfecto con V-ing
I can't have pierced you can't have pierced she can't have pierced we can't have pierced you can't have pierced they can't have pierced	I can't have been piercing you can't have been piercing she can't have been piercing we can't have been piercing you can't have been piercing they can't have been piercing

Forma interrogativa

Forma simple	Forma con V-ing
can I pierce? can you pierce? can she pierce? can we pierce? can you pierce? can they pierce?	can I be piercing? can you be piercing? can she be piercing? can we be piercing? can you be piercing? can they be piercing?
Perfecto	Perfecto con V-ing
can I have pierced? can you have pierced? can she 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 she have been piercing? can we have been piercing? can you have been piercing? can they have been piercing?

Forma interro-negativa

Forma simple	Forma con V-ing
can't I pierce? can't you pierce? can't she pierce? can't we pierce? can't you pierce? can't they pierce?	can't I be piercing? can't you be piercing? can't she be piercing? can't we be piercing? can't you be piercing? can't they be piercing?
Perfecto	Perfecto con V-ing
can't I have pierced? can't you have pierced? can't she have pierced? can't we have pierced? can't you have pierced? can't they have pierced?	can't I have been piercing? can't you have been piercing? can't she have been piercing? can't we have been piercing? can't you have been piercing? can't they have been piercing?