| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | so [pron] could be [vb pp] [prep] | 18 |
|
| 2 | so [pers pn] could be [vb pp] [prep] | 17 |
|
| 3 | so they could be [vb pp] [prep] | 8 |
|
| 4 | so they could be [vb pp] [prep] | 8 |
|
| 5 | so it could be [vb pp] [prep] | 7 |
|
| 6 | so it could be [vb pp] [prep] | 7 |
|
