| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've [been] working [adv] | 49 |
|
| 2 | have [been] working on | 47 |
|
| 3 | [verb] [been] working on | 47 |
|
| 4 | 've [been] [verb] on | 41 |
|
| 5 | 've [been] [v-ing] on | 37 |
|
| 6 | [vb base] [been] working on | 20 |
|
| 7 | 've [been] work on | 13 |
|
| 8 | 've [be] working on | 13 |
|
