| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] at [art] time of | 44 |
|
| 2 | [be] [vb pp] at [art] time of | 44 |
|
| 3 | [be] [vb pp] at the time of | 42 |
|
| 4 | [be] made at [art] time of | 8 |
|
