| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not know [pron] [noun prp] | 64 |
|
| 2 | n't know [pron] [noun prp] | 54 |
|
| 3 | not know [Wh det] [noun prp] | 44 |
|
| 4 | not know what [noun prp] | 43 |
|
| 5 | not know what [noun prp] | 43 |
|
| 6 | not know who [noun prp] | 16 |
|
| 7 | not know who [noun prp] | 16 |
|
| 8 | not know [Wh pn] [noun prp] | 16 |
|
| 9 | not know [pron] [noun prp] | 12 |
|
| 10 | not know [pos pn] [noun prp] | 5 |
|
