| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must have been [adj] for | 24 |
|
| 2 | it must have [been] [adj] for | 24 |
|
| 3 | it must have [been] [adj] for | 24 |
|
| 4 | it must have [been] terrible for | 5 |
|
