| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be working on [adj] | 22 |
|
| 2 | be working on [det] | 13 |
|
| 3 | be working on that | 6 |
|
| 4 | be working on that | 6 |
|
| 5 | be working on [num] | 5 |
|
