| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [verb] on | 869 |
|
| 2 | [been] [v-ing] on | 450 |
|
| 3 | [been] working [adv] | 254 |
|
| 4 | [be] working on | 182 |
|
| 5 | [been] working [adv prt] | 71 |
|
| 6 | [been] work on | 55 |
|
| 7 | [been] working on | 50 |
|
