| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] he knew at | 9 |
|
| 2 | [coord] he knew at | 6 |
|
| 3 | he knew at [adv] | 14 |
|
| 4 | he knew at [adv] | 14 |
|
| 5 | he knew at once | 13 |
|
| 6 | he knew at once | 13 |
|
