| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] know at the time | 24 |
|
| 2 | not know at [art] time | 19 |
|
| 3 | [not/n't] know at [art] time | 19 |
|
| 4 | [adv] know at [art] time | 15 |
|
| 5 | n't know at [art] time | 12 |
|
| 6 | [adv] known at [art] time | 8 |
|
| 7 | not know at [art] time | 7 |
|
| 8 | [adv] know at [art] time | 5 |
|
