| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adj] night | 13 |
|
| 2 | have been [det] night | 7 |
|
| 3 | had been [adj] night | 6 |
|
| 4 | have been last night | 5 |
|
| 5 | have been last night | 5 |
|
| 6 | have been [num ord] night | 5 |
|
