| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [v-ing] [prep] | 19856 |
|
| 2 | so [conj] [prep] | 1000 |
|
| 3 | so [v-ing] [prep] | 201 |
|
| 4 | so [conj] [v-ing] | 82 |
|
