| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at night [prep] | 64 |
|
| 2 | [verb] [to-vb] at night | 28 |
|
| 3 | [verb] [to-vb] at [prep] | 25 |
|
| 4 | [to-vb] at night [prep] | 6 |
|
