| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] at [noun sg] when | 20 |
|
| 2 | [adv] at night when | 13 |
|
| 3 | [adv] at night when | 12 |
|
| 4 | [adv] at [noun pl] when | 11 |
|
| 5 | [adv] at time when | 8 |
|
| 6 | [adv] at times when | 8 |
|
| 7 | late at [noun] when | 5 |
|
