| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [adv] [prep] | 1961 |
|
| 2 | have [been] working [prep] | 484 |
|
| 3 | have [been] working [adv] | 215 |
|
| 4 | [been] working [adv] [prep] | 99 |
|
