| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] have been referred to | 6 |
|
| 2 | this have been refer to | 5 |
|
| 3 | [det] have been refer to | 5 |
|
| 4 | [adj] has been refer to | 5 |
|
| 5 | this have been refer to | 5 |
|
