| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] be [prep] a | 978 |
|
| 2 | [noun pl] be at [art] | 430 |
|
| 3 | [noun pl] be at [art] | 430 |
|
| 4 | [noun] be at a | 398 |
|
| 5 | [noun pl] be at a | 135 |
|
| 6 | [noun pl] [be] at a | 93 |
|
