| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [vb pp] at [art] | 2518 |
|
| 2 | [vb pp] at [art] time | 805 |
|
| 3 | [was/were] at [art] time | 123 |
|
| 4 | [was/were] [vb pp] [art] time | 15 |
|
