| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [pron] had be working for | 5 |
|
| 2 | [subord] [pron] had [been] working for | 5 |
|
| 3 | [subord] [pers pn] had [be] working for | 5 |
|
| 4 | [subord] [pron] had [be] working for | 5 |
|
| 5 | [subord] [pron] had been working for | 5 |
|
