| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we [verb] been working on | 14 |
|
| 2 | we [verb] been working on | 14 |
|
| 3 | we have been working on | 14 |
|
| 4 | we [vb base] been working on | 13 |
|
| 5 | we 've been working on | 7 |
|
| 6 | we have been working on | 6 |
|
