| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] by which [pers pn] [modal v] [adv] | 7 |
|
| 2 | by which [pers pn] [modal v] [adv] [vb infin] | 12 |
|
| 3 | by which [pers pn] [modal v] [adv] [verb] | 12 |
|
