I. refer <referred; referring> [rıˈfɜː] 动词 trans
II. refer <referred; referring> [rıˈfɜː] 动词 不及物动词
| I | refer | 
|---|---|
| you | refer | 
| he/she/it | refers | 
| we | refer | 
| you | refer | 
| they | refer | 
| I | referred | 
|---|---|
| you | referred | 
| he/she/it | referred | 
| we | referred | 
| you | referred | 
| they | referred | 
| I | have | referred | 
|---|---|---|
| you | have | referred | 
| he/she/it | has | referred | 
| we | have | referred | 
| you | have | referred | 
| they | have | referred | 
| I | had | referred | 
|---|---|---|
| you | had | referred | 
| he/she/it | had | referred | 
| we | had | referred | 
| you | had | referred | 
| they | had | referred | 
