| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] at [art] [adj] | 18 |
|
| 2 | could be [vb pp] at [art] [adj] | 16 |
|
| 3 | could be at [art] [adj] [noun sg] | 5 |
|
| 4 | could be at [art] [adj] [noun] | 5 |
|
