| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've been [v-ing] [prep] | 876 |
|
| 2 | been [v-ing] [prep] this | 154 |
|
| 3 | 've been [v-ing] this | 61 |
|
| 4 | 've been [prep] this | 43 |
|
