| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [adv prt] at night | 20 |
|
| 2 | be [vb pp] [adv prt] at night | 16 |
|
| 3 | be [verb] [adv prt] at night | 8 |
|
| 4 | be [verb] out at night | 8 |
|
| 5 | be [v-ing] [adv prt] at night | 5 |
|
| 6 | be [verb] up at night | 5 |
|
