Coniugazione del verbo inglese
COULD ROOF

Verbo regolare: roof - roofed - roofed

Affermazione

Forma semplice	Forma con V-ing
I could roof you could roof she could roof we could roof you could roof they could roof	I could be roofing you could be roofing she could be roofing we could be roofing you could be roofing they could be roofing
Perfetto	Perfetto con V-ing
I could have roofed you could have roofed she could have roofed we could have roofed you could have roofed they could have roofed	I could have been roofing you could have been roofing she could have been roofing we could have been roofing you could have been roofing they could have been roofing

Negazione

Forma semplice	Forma con V-ing
I could not roof you could not roof she could not roof we could not roof you could not roof they could not roof	I could not be roofing you could not be roofing she could not be roofing we could not be roofing you could not be roofing they could not be roofing
Perfetto	Perfetto con V-ing
I could not have roofed you could not have roofed she could not have roofed we could not have roofed you could not have roofed they could not have roofed	I could not have been roofing you could not have been roofing she could not have been roofing we could not have been roofing you could not have been roofing they could not have been roofing

Forma interrogativa

Forma semplice	Forma con V-ing
could I roof? could you roof? could she roof? could we roof? could you roof? could they roof?	could I be roofing? could you be roofing? could she be roofing? could we be roofing? could you be roofing? could they be roofing?
Perfetto	Perfetto con V-ing
could I have roofed? could you have roofed? could she have roofed? could we have roofed? could you have roofed? could they have roofed?	could I have been roofing? could you have been roofing? could she have been roofing? could we have been roofing? could you have been roofing? could they have been roofing?

Forma interro-negativa

Forma semplice	Forma con V-ing
could I not roof? could you not roof? could she not roof? could we not roof? could you not roof? could they not roof?	could I not be roofing? could you not be roofing? could she not be roofing? could we not be roofing? could you not be roofing? could they not be roofing?
Perfetto	Perfetto con V-ing
could I not have roofed? could you not have roofed? could she not have roofed? could we not have roofed? could you not have roofed? could they not have roofed?	could I not have been roofing? could you not have been roofing? could she not have been roofing? could we not have been roofing? could you not have been roofing? could they not have been roofing?