| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | on how [pers pn] [modal v] [verb] [pers pn] | 5 |
|
| 2 | on how [pron] [modal v] [verb] [pers pn] | 5 |
|
| 3 | on how [pron] [vb mod] [verb] [pers pn] | 5 |
|
| 4 | on how [pron] [modal v] [vb infin] [pers pn] | 5 |
|
