| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that must have been [art] [adj] | 9 |
|
| 2 | that must have been [art] [adj] | 9 |
|
| 3 | that must have been a [adj] | 6 |
|
| 4 | that must have been a [adj] | 5 |
|
| 5 | that must have been [adv] [adj] | 5 |
|
| 6 | that must have been [adv] [adj] | 5 |
|
