| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb past] [verb] the | 841 |
|
| 2 | problem which [verb] the | 41 |
|
| 3 | problem which [vb past] the | 23 |
|
| 4 | problem which [vb past] [verb] | 22 |
|
| 5 | problem [vb past] [verb] the | 6 |
|
