| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we have been doing [det] for | 8 |
|
| 2 | we have [been] doing [det] for | 8 |
|
| 3 | we 've [been] doing [det] for | 7 |
|
| 4 | we have [been] doing this for | 5 |
|
