I. bill1 [bıl] 名词
II. bill1 [bıl] 动词 trans
| I | bill | 
|---|---|
| you | bill | 
| he/she/it | bills | 
| we | bill | 
| you | bill | 
| they | bill | 
| I | billed | 
|---|---|
| you | billed | 
| he/she/it | billed | 
| we | billed | 
| you | billed | 
| they | billed | 
| I | have | billed | 
|---|---|---|
| you | have | billed | 
| he/she/it | has | billed | 
| we | have | billed | 
| you | have | billed | 
| they | have | billed | 
| I | had | billed | 
|---|---|---|
| you | had | billed | 
| he/she/it | had | billed | 
| we | had | billed | 
| you | had | billed | 
| they | had | billed |