| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] what | 48848 |
|
| 2 | [to-vb] what | 9164 |
|
| 3 | understand what | 1168 |
|
| 4 | to understand [pron] | 838 |
|
| 5 | to understand [Wh det] | 327 |
|
| 6 | to understand what | 320 |
|
