| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] [adv] to [adj] | 158 |
|
| 2 | could [be] [vb pp] [adv] to | 109 |
|
| 3 | could [be] [vb pp] to [adj] | 78 |
|
| 4 | could [be] [vb pp] [adv] [adj] | 40 |
|
