| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | by which [pron] may | 12 |
|
| 2 | by [Wh det] [pers pn] may | 12 |
|
| 3 | by [Wh det] we may | 8 |
|
| 4 | by [Wh det] we may | 8 |
|
