| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] a | 109758 |
|
| 2 | [Wh det] [verb] a | 8136 |
|
| 3 | what [verb] [art] | 1775 |
|
| 4 | what [verb] a | 542 |
|
