| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | did not know him | 65 |
|
| 2 | [vb past] not know him | 65 |
|
| 3 | [vb past] n't know him | 52 |
|
| 4 | [vb past] not know him | 21 |
|
| 5 | had not know him | 7 |
|
| 6 | [vb past] not known him | 7 |
|
