| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [vb pp] to [adj] | 176 |
|
| 2 | be [vb pp] [adj] to [adj] | 110 |
|
| 3 | could be [adj] to [adj] | 49 |
|
| 4 | could be [vb pp] [adj] to | 20 |
|
| 5 | could be [vb pp] [adj] [adj] | 18 |
|
