| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] could be [vb pp] | 915 |
|
| 2 | [prep] [adj] could be | 98 |
|
| 3 | [prep] [adj] be [vb pp] | 69 |
|
| 4 | [prep] could be [vb pp] | 12 |
|
