| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb -s] been to | 79 |
|
| 2 | [vb -s] been referred to | 55 |
|
| 3 | [pron] [vb -s] been referred | 17 |
|
| 4 | [pron] [vb -s] referred to | 7 |
|
