| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [is] [prep] | 845 |
|
| 2 | know [Wh pn] [is] | 161 |
|
| 3 | know [is] [prep] | 14 |
|
| 4 | know [Wh pn] [prep] | 10 |
|
