| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which could [adv] be [vb pp] by | 49 |
|
| 2 | which could [adv] be [vb pp] by | 27 |
|
| 3 | which could not be [vb pp] by | 22 |
|
| 4 | which could not be [vb pp] by | 22 |
|
| 5 | which could [not/n't] be [vb pp] by | 22 |
|
| 6 | which could only be [vb pp] by | 17 |
|
| 7 | which could only be [vb pp] by | 17 |
|
| 8 | which could then be [vb pp] by | 5 |
|
| 9 | which could then be [vb pp] by | 5 |
|
