| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] it [pron] | 2011 |
|
| 2 | [prep] it [pron] | 2011 |
|
| 3 | about [pron] [pron] | 1973 |
|
| 4 | about [pers pn] [pron] | 366 |
|
| 5 | about it [pron] | 244 |
|
| 6 | about it [pron] | 244 |
|
