| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] to a [adj] | 435 |
|
| 2 | could be [vb pp] to [adj] | 78 |
|
| 3 | could be [vb pp] to a | 74 |
|
| 4 | could be [vb pp] a [adj] | 34 |
|
