| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [vb pp] a [noun sg] | 62 |
|
| 2 | so [vb pp] a [noun sg] | 35 |
|
| 3 | [prep] so [vb pp] [noun sg] | 11 |
|
| 4 | [prep] so [vb pp] a | 8 |
|
