| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [be] [vb pp] at [art] | 812 |
|
| 2 | [be] [vb pp] at [art] time | 392 |
|
| 3 | [prep] [be] at [art] time | 8 |
|
| 4 | [prep] [be] [vb pp] [art] time | 7 |
|
