| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] referred to | 448 |
|
| 2 | have be [adv] to | 237 |
|
| 3 | have be referred to | 110 |
|
| 4 | have [adv] referred to | 82 |
|
| 5 | have be [adv] referred | 7 |
|
