| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [v-ing] a | 3380 |
|
| 2 | [coord] so [v-ing] | 200 |
|
| 3 | [coord] so a | 122 |
|
| 4 | so [v-ing] a | 97 |
|
