| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have been done at | 5 |
|
| 2 | have been done at [art] | 7 |
|
| 3 | have been done at [art] | 7 |
|
| 4 | have been done at the | 5 |
|
| 5 | have been done at [noun] | 5 |
|
| 6 | have been done at the | 5 |
|
