| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've be working on [prep] | 5 |
|
| 2 | 've [been] working on [prep] | 5 |
|
| 3 | 've been working on [prep] | 5 |
|
| 4 | 've [be] working on [prep] | 5 |
|
