| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pers pn] [vb mod] be [v-ing] to | 12 |
|
| 2 | which [pers pn] [vb mod] [be] [v-ing] to | 7 |
|
| 3 | what [pers pn] [vb mod] [be] [v-ing] to | 5 |
|
