| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] n't know [prep] [adj] | 49 |
|
| 2 | he [vb past] n't know [adj] | 23 |
|
| 3 | he [vb past] n't know [prep] | 23 |
|
| 4 | he [vb past] know [prep] [adj] | 22 |
|
| 5 | he [vb past] n't [prep] [adj] | 7 |
|
