| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] a [noun] | 18510 |
|
| 2 | [prep] a [noun] [subord] | 5856 |
|
| 3 | [v-ing] [prep] [noun] [subord] | 1092 |
|
| 4 | [v-ing] a [noun] [subord] | 578 |
|
