| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [modal v] [be] [vb pp] [be] [art] | 5 |
|
| 2 | [det] [modal v] be [verb] [be] [art] | 5 |
|
| 3 | [adj] [modal v] be [vb pp] [be] [art] | 5 |
|
