I could soundproof you could soundproof she could soundproof we could soundproof you could soundproof they could soundproof
Forme en V-ing
I could be soundproofing you could be soundproofing she could be soundproofing we could be soundproofing you could be soundproofing they could be soundproofing
Perfect
I could have soundproofed you could have soundproofed she could have soundproofed we could have soundproofed you could have soundproofed they could have soundproofed
Perfect en V-ing
I could have been soundproofing you could have been soundproofing she could have been soundproofing we could have been soundproofing you could have been soundproofing they could have been soundproofing
Négation
Forme simple
I could not soundproof you could not soundproof she could not soundproof we could not soundproof you could not soundproof they could not soundproof
Forme en V-ing
I could not be soundproofing you could not be soundproofing she could not be soundproofing we could not be soundproofing you could not be soundproofing they could not be soundproofing
Perfect
I could not have soundproofed you could not have soundproofed she could not have soundproofed we could not have soundproofed you could not have soundproofed they could not have soundproofed
Perfect en V-ing
I could not have been soundproofing you could not have been soundproofing she could not have been soundproofing we could not have been soundproofing you could not have been soundproofing they could not have been soundproofing
Forme interrogative
Forme simple
could I soundproof? could you soundproof? could she soundproof? could we soundproof? could you soundproof? could they soundproof?
Forme en V-ing
could I be soundproofing? could you be soundproofing? could she be soundproofing? could we be soundproofing? could you be soundproofing? could they be soundproofing?
Perfect
could I have soundproofed? could you have soundproofed? could she have soundproofed? could we have soundproofed? could you have soundproofed? could they have soundproofed?
Perfect en V-ing
could I have been soundproofing? could you have been soundproofing? could she have been soundproofing? could we have been soundproofing? could you have been soundproofing? could they have been soundproofing?
Forme interro-négative
Forme simple
could I not soundproof? could you not soundproof? could she not soundproof? could we not soundproof? could you not soundproof? could they not soundproof?
Forme en V-ing
could I not be soundproofing? could you not be soundproofing? could she not be soundproofing? could we not be soundproofing? could you not be soundproofing? could they not be soundproofing?
Perfect
could I not have soundproofed? could you not have soundproofed? could she not have soundproofed? could we not have soundproofed? could you not have soundproofed? could they not have soundproofed?
Perfect en V-ing
could I not have been soundproofing? could you not have been soundproofing? could she not have been soundproofing? could we not have been soundproofing? could you not have been soundproofing? could they not have been soundproofing?