| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know what [art] | 1118 |
|
| 2 | know what [art] | 1118 |
|
| 3 | know what a | 264 |
|
| 4 | [verb] what an | 112 |
|
| 5 | know [pron] an | 35 |
|
