| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've been [v-ing] [prep] | 879 |
|
| 2 | been [v-ing] [prep] [det] | 545 |
|
| 3 | 've been [v-ing] [det] | 204 |
|
| 4 | 've been [prep] [det] | 119 |
|
