| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've been [prep] [pron] | 141 |
|
| 2 | 've been doing [pron] | 52 |
|
| 3 | been doing [prep] [pron] | 49 |
|
| 4 | 've been doing [prep] | 29 |
|
