| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [verb] [adv] what | 83 |
|
| 2 | [prep] explain [adv] [pron] | 8 |
|
| 3 | [prep] explain [adv] what | 7 |
|
| 4 | [prep] explain [adv] what | 7 |
|
