| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] to a [adj] | 518 |
|
| 2 | could be [vb pp] to a | 82 |
|
| 3 | could be [vb pp] to [adj] | 78 |
|
| 4 | could be [vb pp] a [adj] | 37 |
|
