| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be at [noun] | 466 |
|
| 2 | [vb mod] be at [noun] | 466 |
|
| 3 | should be [prep] [noun] | 355 |
|
| 4 | should [be] at [noun] | 31 |
|
| 5 | should be at [noun] | 31 |
|
