| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] to | 17890 |
|
| 2 | [be] refer to | 1864 |
|
| 3 | be refer to | 1864 |
|
| 4 | be refer [prep] | 485 |
|
| 5 | be refer [prep] | 485 |
|
| 6 | [be] refer to | 451 |
|
| 7 | be refer to | 451 |
|
