| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] know [Wh det] it 's called | 11 |
|
| 2 | n't know [Wh det] it 's called | 10 |
|
| 3 | [not/n't] know [Wh det] it 's called | 10 |
|
| 4 | not know [Wh det] it 's called | 10 |
|
