| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he did [adv] know | 725 |
|
| 2 | he did not know | 724 |
|
| 3 | he did [not/n't] know | 724 |
|
| 4 | he did n't know | 452 |
|
| 5 | he did not know | 272 |
|
