| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | referred to [prep] | 1915 |
|
| 2 | [adv] referred [prep] | 1025 |
|
| 3 | [adv] referred to | 1007 |
|
| 4 | [adv] to [prep] | 108 |
|
