| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] [pers pn] [be] | 93 |
|
| 2 | could [be] [vb pp] [be] | 71 |
|
| 3 | could [be] [vb pp] [pers pn] | 26 |
|
| 4 | could [be] [pers pn] [be] | 8 |
|
