| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [verb] a | 22143 |
|
| 2 | [prep] [Wh det] [verb] | 12424 |
|
| 3 | [Wh det] [verb] a | 6853 |
|
| 4 | [prep] [Wh det] a | 2843 |
|
