| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been working in [art] | 24 |
|
| 2 | have been working in the | 17 |
|
| 3 | had been working in [art] | 7 |
|
| 4 | have been working in a | 6 |
|
| 5 | 've been working in [art] | 5 |
|
