| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] on | 742 |
|
| 2 | have been [v-ing] on | 401 |
|
| 3 | have been working [adv] | 215 |
|
| 4 | have been work on | 50 |
|
| 5 | [verb] been working on | 47 |
|
| 6 | have be working on | 47 |
|
| 7 | have [be] working on | 47 |
|
| 8 | have [been] working on | 47 |
|
