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 | walk on |
|---|---|
| you | walk on |
| he/she/it | walks on |
| we | walk on |
| you | walk on |
| they | walk on |
| I | walked on |
|---|---|
| you | walked on |
| he/she/it | walked on |
| we | walked on |
| you | walked on |
| they | walked on |
| I | have | walked on |
|---|---|---|
| you | have | walked on |
| he/she/it | has | walked on |
| we | have | walked on |
| you | have | walked on |
| they | have | walked on |
| I | had | walked on |
|---|---|---|
| you | had | walked on |
| he/she/it | had | walked on |
| we | had | walked on |
| you | had | walked on |
| they | had | walked on |