| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [pron] [vb mod] [vb infin] | 2308 |
|
| 2 | on [pron] [vb mod] [vb infin] | 154 |
|
| 3 | on how [pron] [vb mod] | 97 |
|
