| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] so [subord] [to-vb] | 95 |
|
| 2 | [v-ing] [noun] so [subord] [to-vb] | 13 |
|
| 3 | [prep] [v-ing] [noun] so [subord] | 10 |
|
