Coniugazione del verbo inglese
COULD PIERCE

Verbo regolare: pierce - pierced - pierced

Affermazione

Forma semplice	Forma con V-ing
I could pierce you could pierce she could pierce we could pierce you could pierce they could pierce	I could be piercing you could be piercing she could be piercing we could be piercing you could be piercing they could be piercing
Perfetto	Perfetto con V-ing
I could have pierced you could have pierced she could have pierced we could have pierced you could have pierced they could have pierced	I could have been piercing you could have been piercing she could have been piercing we could have been piercing you could have been piercing they could have been piercing

Negazione

Forma semplice	Forma con V-ing
I couldn't pierce you couldn't pierce she couldn't pierce we couldn't pierce you couldn't pierce they couldn't pierce	I couldn't be piercing you couldn't be piercing she couldn't be piercing we couldn't be piercing you couldn't be piercing they couldn't be piercing
Perfetto	Perfetto con V-ing
I couldn't have pierced you couldn't have pierced she couldn't have pierced we couldn't have pierced you couldn't have pierced they couldn't have pierced	I couldn't have been piercing you couldn't have been piercing she couldn't have been piercing we couldn't have been piercing you couldn't have been piercing they couldn't have been piercing

Forma interrogativa

Forma semplice	Forma con V-ing
could I pierce? could you pierce? could she pierce? could we pierce? could you pierce? could they pierce?	could I be piercing? could you be piercing? could she be piercing? could we be piercing? could you be piercing? could they be piercing?
Perfetto	Perfetto con V-ing
could I have pierced? could you have pierced? could she have pierced? could we have pierced? could you have pierced? could they have pierced?	could I have been piercing? could you have been piercing? could she have been piercing? could we have been piercing? could you have been piercing? could they have been piercing?

Forma interro-negativa

Forma semplice	Forma con V-ing
couldn't I pierce? couldn't you pierce? couldn't she pierce? couldn't we pierce? couldn't you pierce? couldn't they pierce?	couldn't I be piercing? couldn't you be piercing? couldn't she be piercing? couldn't we be piercing? couldn't you be piercing? couldn't they be piercing?
Perfetto	Perfetto con V-ing
couldn't I have pierced? couldn't you have pierced? couldn't she have pierced? couldn't we have pierced? couldn't you have pierced? couldn't they have pierced?	couldn't I have been piercing? couldn't you have been piercing? couldn't she have been piercing? couldn't we have been piercing? couldn't you have been piercing? couldn't they have been piercing?