| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [be] [vb pp] [verb] | 352 |
|
| 2 | [vb base] [pron] [be] [vb pp] [verb] | 95 |
|
| 3 | [vb base] [pron] could [be] [verb] | 53 |
|
| 4 | [vb base] [pron] could [be] [vb pp] | 44 |
|
