| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] who [verb] [been] working [prep] | 5 |
|
| 2 | [noun pl] who [vb past] [be] working [prep] | 5 |
|
| 3 | [noun pl] who [verb] been working [prep] | 5 |
|
| 4 | [noun pl] who [verb] be working [prep] | 5 |
|
| 5 | [noun pl] who have [be] working [prep] | 5 |
|
