| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [vb pp] [prep] [adj] | 14806 |
|
| 2 | [vb mod] [be] [vb pp] [prep] [adj] | 14806 |
|
| 3 | could [be] [verb] [prep] [adj] | 1439 |
|
| 4 | could [be] [vb pp] [prep] [adj] | 1413 |
|
| 5 | could [be] [vb pp] [prep] [adj] | 1413 |
|
