| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb past] [prep] [noun pl] | 239 |
|
| 2 | [vb past] [prep] both [noun pl] | 112 |
|
| 3 | which [vb past] both [noun pl] | 17 |
|
| 4 | which [vb past] [prep] both | 8 |
|
