Conjugação do verbo inglês
COULD PREBILL

Verbo regular: prebill - prebilled - prebilled

Afirmação

Forma simple	Forma com 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
Perfeito	Perfeito com 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

Negação

Forma simple	Forma com 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
Perfeito	Perfeito com 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 simple	Forma com 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?
Perfeito	Perfeito com 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-Negação

Forma simple	Forma com 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?
Perfeito	Perfeito com 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?