| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 's been [v-ing] [adv] | 261 |
|
| 2 | been [v-ing] [adv] to | 140 |
|
| 3 | 's been [v-ing] to | 37 |
|
| 4 | 's been [adv] to | 22 |
|
