| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pron] be [v-ing] to | 268 |
|
| 2 | [Wh det] [pron] 've be [v-ing] | 192 |
|
| 3 | [pron] 've be [v-ing] to | 106 |
|
