| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be [v-ing] to | 231 |
|
| 2 | 've [adv] be [v-ing] | 185 |
|
| 3 | 've be [v-ing] to | 106 |
|
| 4 | 've [adv] be to | 65 |
|
