| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they 've be working [prep] | 8 |
|
| 2 | they 've been work [prep] | 8 |
|
| 3 | they 've be work [prep] | 8 |
|
| 4 | they 've be work on | 5 |
|
