| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we have been work [prep] | 15 |
|
| 2 | we have be working [prep] | 15 |
|
| 3 | we have be work [prep] | 15 |
|
| 4 | we have be work [prep] | 15 |
|
| 5 | we have be work on | 6 |
|
| 6 | we have be work on | 6 |
|
