| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [prep] a | 12460 |
|
| 2 | so [prep] a | 556 |
|
| 3 | so [vb base] [prep] | 347 |
|
| 4 | so [vb base] a | 204 |
|
