| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] a [noun sg] | 32940 |
|
| 2 | so a [noun sg] | 429 |
|
| 3 | so [vb pp] [noun sg] | 102 |
|
| 4 | so [vb pp] a | 58 |
|
