| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that has [been] [verb] at | 16 |
|
| 2 | that has been [verb] at | 16 |
|
| 3 | that has [been] [verb] at | 16 |
|
| 4 | that has [been] [vb pp] at | 13 |
|
