| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] not know about him | 5 |
|
| 2 | not know much about him | 5 |
|
| 3 | not know [adj] about him | 5 |
|
| 4 | not know [det] about him | 5 |
|
| 5 | not know much about him | 5 |
|
