| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] refer [prep] the | 159 |
|
| 2 | by refer [prep] the | 42 |
|
| 3 | [verb] by refer [prep] | 35 |
|
| 4 | [verb] by [prep] the | 27 |
|
