| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [be] working for [det] | 5 |
|
| 2 | [verb] [been] working for [det] | 5 |
|
| 3 | [verb] be working for [det] | 5 |
|
| 4 | [verb] been working for [det] | 5 |
|
