| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | did not [verb] for | 337 |
|
| 2 | did not know [prep] | 66 |
|
| 3 | did not know [prep] | 66 |
|
| 4 | [verb] not know for | 16 |
|
| 5 | do not know for | 15 |
|
| 6 | did [not/n't] know for | 13 |
|
| 7 | did [adv] know for | 13 |
|
| 8 | did not know for | 13 |
|
| 9 | [vb past] not know for | 5 |
|
| 10 | did not know for | 5 |
|
