| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be at [art] [noun] | 351 |
|
| 2 | [modal v] be [prep] [art] [noun pl] | 285 |
|
| 3 | [modal v] be at [art] [noun pl] | 10 |
|
| 4 | [modal v] [be] at [art] [noun pl] | 10 |
|
