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. invalid1 [ˈɪnvəlɪd] 名词
II. invalid1 [ˈɪnvəlɪd] 形
 
 I. invalid1 [ˈɪn·və·lɪd] 名词
| I | invalid | 
|---|---|
| you | invalid | 
| he/she/it | invalids | 
| we | invalid | 
| you | invalid | 
| they | invalid | 
| I | invalided | 
|---|---|
| you | invalided | 
| he/she/it | invalided | 
| we | invalided | 
| you | invalided | 
| they | invalided | 
| I | have | invalided | 
|---|---|---|
| you | have | invalided | 
| he/she/it | has | invalided | 
| we | have | invalided | 
| you | have | invalided | 
| they | have | invalided | 
| I | had | invalided | 
|---|---|---|
| you | had | invalided | 
| he/she/it | had | invalided | 
| we | had | invalided | 
| you | had | invalided | 
| they | had | invalided |