| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] be [verb] [pron] at a | 5 |
|
| 2 | [noun pl] are [verb] [pron] at [art] | 5 |
|
| 3 | [noun pl] be [verb] [indef pn] at [art] | 5 |
|
| 4 | [noun pl] be [verb] [pron] at the | 5 |
|
