| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [vb pp] at [art] | 905 |
|
| 2 | [vb pp] at [art] time | 805 |
|
| 3 | [is] at [art] time | 22 |
|
| 4 | [is] [vb pp] [art] time | 19 |
|
