在《PONS词典》中的词汇
II. back [bæk] 副
back [bæk]
| I | back | |
|---|---|---|
| you | back | |
| he/she/it | backs | |
| we | back | |
| you | back | |
| they | back |
| I | backed | |
|---|---|---|
| you | backed | |
| he/she/it | backed | |
| we | backed | |
| you | backed | |
| they | backed |
| I | have | backed | |
|---|---|---|---|
| you | have | backed | |
| he/she/it | has | backed | |
| we | have | backed | |
| you | have | backed | |
| they | have | backed |
| I | had | backed | |
|---|---|---|---|
| you | had | backed | |
| he/she/it | had | backed | |
| we | had | backed | |
| you | had | backed | |
| they | had | backed |