| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be working on at the [noun sg] | 8 |
|
| 2 | be working on at the moment | 7 |
|
| 3 | 're working on at the [noun] | 6 |
|
| 4 | be working on at the moment | 6 |
|
