| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pron] [verb] [prep] | 6945 |
|
| 2 | know what [pron] [verb] | 977 |
|
| 3 | know [pron] [verb] [prep] | 352 |
|
| 4 | know what [verb] [prep] | 302 |
|
