| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've [adv] been [v-ing] | 202 |
|
| 2 | 've been [v-ing] at | 69 |
|
| 3 | [adv] been [v-ing] at | 40 |
|
| 4 | 've [adv] been at | 12 |
|
