| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] that | 4787 |
|
| 2 | [adv] know that | 1583 |
|
| 3 | not know [conj] | 716 |
|
| 4 | not know that | 502 |
|
| 5 | [not/n't] know that | 502 |
|
| 6 | not know [that] | 221 |
|
| 7 | not know that | 221 |
|
