| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [vb pp] [prep] be [adj] | 34 |
|
| 2 | could be [vb pp] [prep] be [adj] | 30 |
|
| 3 | could be [vb pp] to [be] [adj] | 30 |
|
| 4 | could be [vb pp] [prep] [be] [adj] | 30 |
|
| 5 | could be said [prep] [be] [adj] | 20 |
|
