| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] [pron] | 44310 |
|
| 2 | [prep] how [pron] | 2526 |
|
| 3 | [v-ing] [prep] how | 521 |
|
| 4 | [v-ing] how [pron] | 467 |
|
