| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the [det] time [conj] | 829 |
|
| 2 | know at the time [conj] | 14 |
|
| 3 | know at the [det] time | 6 |
|
| 4 | know at [det] time [conj] | 5 |
|
