| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have been [prep] | 5149 |
|
| 2 | [pron] have been doing | 618 |
|
| 3 | have been doing [prep] | 110 |
|
| 4 | [pron] been doing [prep] | 40 |
|
