| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been in [art] | 1490 |
|
| 2 | have operate in [art] | 21 |
|
| 3 | have been operate in | 17 |
|
| 4 | have been operate [art] | 8 |
|
| 5 | been operate in [art] | 5 |
|
