| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know [pron] of the | 9 |
|
| 2 | [not/n't] know which of the | 6 |
|
| 3 | [not/n't] know [Wh det] of the | 6 |
|
| 4 | [not/n't] know which of the | 6 |
|
| 5 | n't know [pron] of the | 5 |
|
