| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] have been referred to | 28 |
|
| 2 | [art] [noun sg] have been to | 19 |
|
| 3 | [art] [noun sg] have been referred | 13 |
|
| 4 | [art] [noun sg] have referred to | 7 |
|
