| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb base] to | 15925 |
|
| 2 | [pron] refer to | 1232 |
|
| 3 | [pron] [vb base] refer | 209 |
|
| 4 | [vb base] refer to | 145 |
|
