I. double [ˈdʌbl] 形
II. double [ˈdʌbl] 名词
III. double [ˈdʌbl] 副
IV. double [ˈdʌbl] 动词 trans
| I | double | 
|---|---|
| you | double | 
| he/she/it | doubles | 
| we | double | 
| you | double | 
| they | double | 
| I | doubled | 
|---|---|
| you | doubled | 
| he/she/it | doubled | 
| we | doubled | 
| you | doubled | 
| they | doubled | 
| I | have | doubled | 
|---|---|---|
| you | have | doubled | 
| he/she/it | has | doubled | 
| we | have | doubled | 
| you | have | doubled | 
| they | have | doubled | 
| I | had | doubled | 
|---|---|---|
| you | had | doubled | 
| he/she/it | had | doubled | 
| we | had | doubled | 
| you | had | doubled | 
| they | had | doubled | 
