| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been working on [art] | 70 |
|
| 2 | have been working on the | 44 |
|
| 3 | have been working on a | 25 |
|
| 4 | had been working on [art] | 21 |
|
| 5 | has been working on [art] | 17 |
|
| 6 | have been working on [art] | 16 |
|
| 7 | 've been working on [art] | 9 |
|
