在《PONS词典》中的词汇
I. trace [treıs] 动词 trans
| I | trace | |
|---|---|---|
| you | trace | |
| he/she/it | traces | |
| we | trace | |
| you | trace | |
| they | trace |
| I | traced | |
|---|---|---|
| you | traced | |
| he/she/it | traced | |
| we | traced | |
| you | traced | |
| they | traced |
| I | have | traced | |
|---|---|---|---|
| you | have | traced | |
| he/she/it | has | traced | |
| we | have | traced | |
| you | have | traced | |
| they | have | traced |
| I | had | traced | |
|---|---|---|---|
| you | had | traced | |
| he/she/it | had | traced | |
| we | had | traced | |
| you | had | traced | |
| they | had | traced |