| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] to [conj] | 18 |
|
| 2 | [prep] to [subord] | 10 |
|
| 3 | [prep] [prep] whether | 8 |
|
| 4 | [prep] to whether | 5 |
|
| 5 | [prep] to whether | 5 |
|
