http://www.pons.de/produkte/3-12-517841-X/(牛津大学出版社授权产品)
在《PONS词典》中的词汇
| I | clack |
|---|---|
| you | clack |
| he/she/it | clacks |
| we | clack |
| you | clack |
| they | clack |
| I | clacked |
|---|---|
| you | clacked |
| he/she/it | clacked |
| we | clacked |
| you | clacked |
| they | clacked |
| I | have | clacked |
|---|---|---|
| you | have | clacked |
| he/she/it | has | clacked |
| we | have | clacked |
| you | have | clacked |
| they | have | clacked |
| I | had | clacked |
|---|---|---|
| you | had | clacked |
| he/she/it | had | clacked |
| we | had | clacked |
| you | had | clacked |
| they | had | clacked |