| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] [verb] a | 19430 |
|
| 2 | so [pron] [modal v] [verb] | 2598 |
|
| 3 | so [pron] [verb] a | 449 |
|
| 4 | so [modal v] [verb] a | 63 |
|
