| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've been [v-ing] [pers pn] [prep] a | 8 |
|
| 2 | 've been [v-ing] [pron] [prep] a | 8 |
|
| 3 | 've been [v-ing] it [prep] a | 7 |
|
| 4 | 've been [v-ing] it [prep] a | 7 |
|
| 5 | 've been [v-ing] [pron] [prep] a | 7 |
|
| 6 | 've been doing [pron] [prep] a | 5 |
|
| 7 | 've been [v-ing] [pron] for a | 5 |
|
| 8 | 've been [v-ing] [pron] for a | 5 |
|
