| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] whom [pron] | 3019 |
|
| 2 | [prep] whom [pron] | 3019 |
|
| 3 | about [pron] [pron] | 1973 |
|
| 4 | about whom [pron] | 48 |
|
