| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] working on | 167 |
|
| 2 | [verb] [been] working on | 167 |
|
| 3 | [vb past] [been] working on | 53 |
|
| 4 | 'd [been] [verb] on | 50 |
|
| 5 | 'd [been] [v-ing] on | 31 |
|
| 6 | 'd [been] working [prep] | 20 |
|
| 7 | 'd [been] working [prep] | 20 |
|
| 8 | 'd [been] working on | 7 |
|
| 9 | 'd [be] working on | 7 |
|
| 10 | 'd [been] work on | 7 |
|
