| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] on the [adj] | 29 |
|
| 2 | could [be] [verb] on the [adj] | 29 |
|
| 3 | could [be] [vb pp] on the [adj] | 27 |
|
| 4 | could [be] [verb] on the [adj] | 23 |
|
