| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] at [art] [adj] | 2317 |
|
| 2 | could be [vb pp] at [adj] | 76 |
|
| 3 | could be [vb pp] at [art] | 76 |
|
| 4 | could be [vb pp] [art] [adj] | 61 |
|
| 5 | could be at [art] [adj] | 5 |
|
