| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb past] [prep] [verb] the [noun] | 7 |
|
| 2 | which [vb past] [prep] [v-ing] the [noun] | 7 |
|
| 3 | which [vb past] [prep] [verb] the [noun sg] | 5 |
|
