| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [Wh adv] | 3902 |
|
| 2 | [prep] [art] case [Wh adv] | 204 |
|
| 3 | [prep] [art] case [Wh adv] | 204 |
|
| 4 | [prep] a case [adv] | 104 |
|
| 5 | [prep] a case [Wh adv] | 89 |
|
