| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've been [v-ing] [pron] | 411 |
|
| 2 | been [v-ing] [to-vb] [pron] | 267 |
|
| 3 | 've been [v-ing] [to-vb] | 220 |
|
| 4 | 've been [to-vb] [pron] | 11 |
|
