| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] be [prep] a | 3560 |
|
| 2 | [noun sg] be at [art] | 1071 |
|
| 3 | [noun] be at a | 537 |
|
| 4 | [noun sg] [be] at a | 326 |
|
