| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [verb] on for | 130 |
|
| 2 | [been] work [adv] for | 30 |
|
| 3 | [been] work on [prep] | 22 |
|
| 4 | [been] work [adv prt] for | 15 |
|
| 5 | [be] work on for | 10 |
|
| 6 | [been] work on for | 10 |
|
