| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it was [adj] night | 15 |
|
| 2 | it be [num ord] night | 8 |
|
| 3 | it be last night | 7 |
|
| 4 | it be last night | 7 |
|
| 5 | it be [det] night | 6 |
|
| 6 | it be that night | 5 |
|
| 7 | it be [adj] night | 5 |
|
| 8 | it be that night | 5 |
|
