| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be traced to [adj] | 7 |
|
| 2 | [vb mod] [be] traced to [adj] | 7 |
|
| 3 | can [be] traced to [adj] | 5 |
|
| 4 | can [be] traced to [adj] | 5 |
|
