| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | as to [Wh det] be [v-ing] [prep] | 5 |
|
| 2 | as to [Wh det] be [v-ing] [prep] | 5 |
|
| 3 | [conj] to what be [v-ing] [prep] | 5 |
|
| 4 | [subord] to [Wh det] be [v-ing] [prep] | 5 |
|
