| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] at [noun] | 1504 |
|
| 2 | could be [verb] at | 263 |
|
| 3 | could be [verb] [noun] | 151 |
|
| 4 | could [verb] at [noun] | 87 |
|
| 5 | could be at [noun] | 57 |
|
