combust [美 kəmˈbəst, 英 kəmˈbʌst] 动词 不及物动词
-  combust
-  
-  to combust spontaneously
-  
| I | combust | 
|---|---|
| you | combust | 
| he/she/it | combusts | 
| we | combust | 
| you | combust | 
| they | combust | 
| I | combusted | 
|---|---|
| you | combusted | 
| he/she/it | combusted | 
| we | combusted | 
| you | combusted | 
| they | combusted | 
| I | have | combusted | 
|---|---|---|
| you | have | combusted | 
| he/she/it | has | combusted | 
| we | have | combusted | 
| you | have | combusted | 
| they | have | combusted | 
| I | had | combusted | 
|---|---|---|
| you | had | combusted | 
| he/she/it | had | combusted | 
| we | had | combusted | 
| you | had | combusted | 
| they | had | combusted | 
