| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [verb] to | 902 |
|
| 2 | 've [be] [v-ing] [verb] | 241 |
|
| 3 | 've [be] [verb] to | 161 |
|
| 4 | 've [be] [v-ing] to | 106 |
|
