| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] to [Wh det] should be done | 5 |
|
| 2 | [conj] to [Wh det] should be done | 5 |
|
| 3 | as to [Wh det] should be done | 5 |
|
| 4 | as to [Wh det] should be done | 5 |
|
