| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] an [noun sg] | 5941 |
|
| 2 | so [v-ing] [noun sg] | 86 |
|
| 3 | so an [noun sg] | 66 |
|
| 4 | so [v-ing] an | 26 |
|
