I. free [friː] 形
III. free [friː] 动词 trans
frost-free refrigerator 名词
| I | free | 
|---|---|
| you | free | 
| he/she/it | frees | 
| we | free | 
| you | free | 
| they | free | 
| I | freed | 
|---|---|
| you | freed | 
| he/she/it | freed | 
| we | freed | 
| you | freed | 
| they | freed | 
| I | have | freed | 
|---|---|---|
| you | have | freed | 
| he/she/it | has | freed | 
| we | have | freed | 
| you | have | freed | 
| they | have | freed | 
| I | had | freed | 
|---|---|---|
| you | had | freed | 
| he/she/it | had | freed | 
| we | had | freed | 
| you | had | freed | 
| they | had | freed |