| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've been [v-ing] [prep] | 879 |
|
| 2 | [adv] been [v-ing] [prep] | 500 |
|
| 3 | 've [adv] been [prep] | 238 |
|
| 4 | 've [adv] been [v-ing] | 202 |
|
