| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [was/were] a | 3638 |
|
| 2 | so [det] [was/were] | 429 |
|
| 3 | so [det] a | 33 |
|
| 4 | so [was/were] a | 15 |
|
