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 | shirr | 
|---|---|
| you | shirr | 
| he/she/it | shirrs | 
| we | shirr | 
| you | shirr | 
| they | shirr | 
| I | shirred | 
|---|---|
| you | shirred | 
| he/she/it | shirred | 
| we | shirred | 
| you | shirred | 
| they | shirred | 
| I | have | shirred | 
|---|---|---|
| you | have | shirred | 
| he/she/it | has | shirred | 
| we | have | shirred | 
| you | have | shirred | 
| they | have | shirred | 
| I | had | shirred | 
|---|---|---|
| you | had | shirred | 
| he/she/it | had | shirred | 
| we | had | shirred | 
| you | had | shirred | 
| they | had | shirred | 
