| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] at the time | 415 |
|
| 2 | [pron] at the time | 408 |
|
| 3 | [pron] [conj] at the | 88 |
|
| 4 | [pron] [conj] the time | 28 |
|
