| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [pers pn] have [been] working | 11 |
|
| 2 | which [pers pn] have been working | 11 |
|
| 3 | which [pers pn] have be working | 11 |
|
| 4 | which [pers pn] had [be] working | 6 |
|
