| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [vb pp] at | 6660 |
|
| 2 | [vb pp] at one | 302 |
|
| 3 | [was/were] [vb pp] one | 120 |
|
| 4 | [was/were] at one | 111 |
|
