 
  
 I. ˈsound·proof 形
-  soundproof
-  
-  soundproof
-  
II. ˈsound·proof 动词 trans
-  to soundproof sth
-  etw schallisolieren [o. schalldicht machen]
| I | soundproof | 
|---|---|
| you | soundproof | 
| he/she/it | soundproofs | 
| we | soundproof | 
| you | soundproof | 
| they | soundproof | 
| I | soundproofed | 
|---|---|
| you | soundproofed | 
| he/she/it | soundproofed | 
| we | soundproofed | 
| you | soundproofed | 
| they | soundproofed | 
| I | have | soundproofed | 
|---|---|---|
| you | have | soundproofed | 
| he/she/it | has | soundproofed | 
| we | have | soundproofed | 
| you | have | soundproofed | 
| they | have | soundproofed | 
| I | had | soundproofed | 
|---|---|---|
| you | had | soundproofed | 
| he/she/it | had | soundproofed | 
| we | had | soundproofed | 
| you | had | soundproofed | 
| they | had | soundproofed | 
 
  
 