| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pers pn] be [v-ing] to | 265 |
|
| 2 | [Wh det] 've [pers pn] be [v-ing] | 17 |
|
| 3 | 've [pers pn] be [v-ing] to | 6 |
|
