| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv] be [prep] [art] | 405 |
|
| 2 | [verb] [adv] be at [art] | 56 |
|
| 3 | [vb past] [adv] [be] at [art] | 18 |
|
