| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] what | 4875 |
|
| 2 | [to-vb] [adv] what | 1455 |
|
| 3 | to understand [adv] [pron] | 176 |
|
| 4 | understand [adv] what | 74 |
|
