| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pos pn] | 606873 |
|
| 2 | [prep] [pos pn] | 606861 |
|
| 3 | about [pron] | 36166 |
|
| 4 | about [pos pn] | 10879 |
|
