| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've be [v-ing] [verb] to | 12 |
|
| 2 | 've [been] [v-ing] [verb] to | 12 |
|
| 3 | 've been [v-ing] [verb] to | 12 |
|
| 4 | 've [be] [v-ing] [to-vb] to | 11 |
|
