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