| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've be work on | 13 |
|
| 2 | 've [been] work on | 13 |
|
| 3 | 've [be] work on | 13 |
|
| 4 | 've [be] working on | 13 |
|
| 5 | 've been work on | 13 |
|
