| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | before [v-ing] [pron] [adj] [noun] | 139 |
|
| 2 | [prep] [v-ing] [pron] first [noun] | 78 |
|
| 3 | before [verb] [pron] first [noun] | 8 |
|
