| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [prep] [v-ing] [be] | 51 |
|
| 2 | [prep] [noun] [prep] [v-ing] [be] | 51 |
|
| 3 | in [noun] [prep] [verb] [be] | 15 |
|
| 4 | in [noun] [prep] [v-ing] [be] | 14 |
|
