| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do not know [pron] of | 19 |
|
| 2 | do not know which of | 16 |
|
| 3 | [verb] not know which of | 16 |
|
| 4 | do not [verb] which of | 14 |
|
| 5 | do not know [Wh det] of | 14 |
|
| 6 | do [adv] know which of | 13 |
|
| 7 | [vb base] not know which of | 13 |
|
| 8 | do not know which [prep] | 13 |
|
| 9 | do not know which of | 13 |
|
