| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to sleep at night | 10 |
|
| 2 | [vb past] [to-vb] at night | 6 |
|
| 3 | have [to-vb] at night | 6 |
|
| 4 | [vb infin] [to-vb] at night | 5 |
|
