Coniugazione del verbo inglese
COULD PREBILL

Verbo regolare: prebill - prebilled - prebilled

Affermazione

Forma semplice	Forma con V-ing
I could prebill you could prebill he could prebill we could prebill you could prebill they could prebill	I could be prebilling you could be prebilling he could be prebilling we could be prebilling you could be prebilling they could be prebilling
Perfetto	Perfetto con V-ing
I could have prebilled you could have prebilled he could have prebilled we could have prebilled you could have prebilled they could have prebilled	I could have been prebilling you could have been prebilling he could have been prebilling we could have been prebilling you could have been prebilling they could have been prebilling

Negazione

Forma semplice	Forma con V-ing
I couldn't prebill you couldn't prebill he couldn't prebill we couldn't prebill you couldn't prebill they couldn't prebill	I couldn't be prebilling you couldn't be prebilling he couldn't be prebilling we couldn't be prebilling you couldn't be prebilling they couldn't be prebilling
Perfetto	Perfetto con V-ing
I couldn't have prebilled you couldn't have prebilled he couldn't have prebilled we couldn't have prebilled you couldn't have prebilled they couldn't have prebilled	I couldn't have been prebilling you couldn't have been prebilling he couldn't have been prebilling we couldn't have been prebilling you couldn't have been prebilling they couldn't have been prebilling

Forma interrogativa

Forma semplice	Forma con V-ing
could I prebill? could you prebill? could he prebill? could we prebill? could you prebill? could they prebill?	could I be prebilling? could you be prebilling? could he be prebilling? could we be prebilling? could you be prebilling? could they be prebilling?
Perfetto	Perfetto con V-ing
could I have prebilled? could you have prebilled? could he have prebilled? could we have prebilled? could you have prebilled? could they have prebilled?	could I have been prebilling? could you have been prebilling? could he have been prebilling? could we have been prebilling? could you have been prebilling? could they have been prebilling?

Forma interro-negativa

Forma semplice	Forma con V-ing
couldn't I prebill? couldn't you prebill? couldn't he prebill? couldn't we prebill? couldn't you prebill? couldn't they prebill?	couldn't I be prebilling? couldn't you be prebilling? couldn't he be prebilling? couldn't we be prebilling? couldn't you be prebilling? couldn't they be prebilling?
Perfetto	Perfetto con V-ing
couldn't I have prebilled? couldn't you have prebilled? couldn't he have prebilled? couldn't we have prebilled? couldn't you have prebilled? couldn't they have prebilled?	couldn't I have been prebilling? couldn't you have been prebilling? couldn't he have been prebilling? couldn't we have been prebilling? couldn't you have been prebilling? couldn't they have been prebilling?