| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | by [Wh det] [pers pn] could | 36 |
|
| 2 | by which [pron] could | 33 |
|
| 3 | by [Wh det] they could | 8 |
|
| 4 | by [Wh det] he could | 8 |
|
| 5 | by [Wh det] they could | 8 |
|
| 6 | by [Wh det] it could | 8 |
|
| 7 | by [Wh det] it could | 8 |
|
| 8 | by [Wh det] he could | 8 |
|
| 9 | by [Wh det] we could | 6 |
|
| 10 | by [Wh det] we could | 6 |
|
