| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] at [art] time | 516 |
|
| 2 | [conj] at [art] time | 516 |
|
| 3 | [conj] at a [noun] | 360 |
|
| 4 | [conj] at a [noun sg] | 348 |
|
| 5 | [conj] [prep] a time | 182 |
|
| 6 | [conj] [prep] a time | 182 |
|
| 7 | [conj] at a time | 73 |
|
| 8 | [conj] at a time | 73 |
|
| 9 | [conj] at a time | 73 |
|
