| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | by which they [verb] | 67 |
|
| 2 | by which they [vb base] | 34 |
|
| 3 | by which they [vb past] | 33 |
|
| 4 | by which they have | 13 |
|
| 5 | by which they had | 10 |
|
| 6 | by which they mean | 8 |
|
