| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know it at the [noun] | 12 |
|
| 2 | know it at the [noun sg] | 12 |
|
| 3 | know it at the [noun] | 12 |
|
| 4 | know it at the time | 12 |
|
| 5 | know it at the time | 12 |
|
