| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've [be] [v-ing] [prep] | 879 |
|
| 2 | [verb] [be] [v-ing] to | 580 |
|
| 3 | have [be] [v-ing] to | 507 |
|
| 4 | [vb base] [be] [v-ing] to | 209 |
|
| 5 | 've [be] [verb] to | 161 |
|
