| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must have been [adj] sort | 6 |
|
| 2 | must [verb] been some sort | 6 |
|
| 3 | must [verb] been some sort | 6 |
|
| 4 | must [verb] been [adj] sort | 6 |
|
| 5 | must have been [adj] sort | 6 |
|
| 6 | must [verb] been [det] sort | 6 |
|
| 7 | must [verb] been [adj] sort | 6 |
|
| 8 | must [vb infin] been [adj] sort | 6 |
|
