| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be refer to | 104 |
|
| 2 | to be refer to | 99 |
|
| 3 | to be refer to | 99 |
|
| 4 | [prep] be refer to | 98 |
|
| 5 | [prep] be referred to | 97 |
|
| 6 | [prep] be referring to | 8 |
|
| 7 | [prep] being refer to | 6 |
|
