| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be at [art] [noun sg] | 4038 |
|
| 2 | be at [art] [noun sg] | 4038 |
|
| 3 | be [prep] an [noun sg] | 848 |
|
| 4 | be at a [noun sg] | 750 |
|
| 5 | be at an [noun] | 135 |
|
| 6 | [be] at an [noun sg] | 132 |
|
