| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that had been [verb] at | 18 |
|
| 2 | that had [been] [verb] at | 18 |
|
| 3 | that had [been] [verb] at | 18 |
|
| 4 | that had [been] [vb pp] at | 14 |
|
