I. pack [pæk] 名词
II. pack [pæk] 动词 trans
| I | pack | 
|---|---|
| you | pack | 
| he/she/it | packs | 
| we | pack | 
| you | pack | 
| they | pack | 
| I | packed | 
|---|---|
| you | packed | 
| he/she/it | packed | 
| we | packed | 
| you | packed | 
| they | packed | 
| I | have | packed | 
|---|---|---|
| you | have | packed | 
| he/she/it | has | packed | 
| we | have | packed | 
| you | have | packed | 
| they | have | packed | 
| I | had | packed | 
|---|---|---|
| you | had | packed | 
| he/she/it | had | packed | 
| we | had | packed | 
| you | had | packed | 
| they | had | packed | 
