| I | undo | 
|---|---|
| you | undo | 
| he/she/it | undoes | 
| we | undo | 
| you | undo | 
| they | undo | 
| I | undid | 
|---|---|
| you | undid | 
| he/she/it | undid | 
| we | undid | 
| you | undid | 
| they | undid | 
| I | have | undone | 
|---|---|---|
| you | have | undone | 
| he/she/it | has | undone | 
| we | have | undone | 
| you | have | undone | 
| they | have | undone | 
| I | had | undone | 
|---|---|---|
| you | had | undone | 
| he/she/it | had | undone | 
| we | had | undone | 
| you | had | undone | 
| they | had | undone | 
无例句可用
请尝试其他条目。
