| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] working [prep] [noun pl] | 27 |
|
| 2 | [been] [prep] [noun pl] for | 24 |
|
| 3 | working [prep] [noun pl] for | 22 |
|
| 4 | [been] working [prep] for | 7 |
|
