| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [v-ing] a [noun sg] | 3441 |
|
| 2 | so [conj] a [noun sg] | 252 |
|
| 3 | so [v-ing] a [noun sg] | 51 |
|
| 4 | so [conj] [v-ing] a | 11 |
|
