| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] a [noun sg] | 41586 |
|
| 2 | so a [noun sg] | 429 |
|
| 3 | so [v-ing] a | 97 |
|
| 4 | so [v-ing] [noun sg] | 86 |
|
