| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | you must [vb infin] been [adj] | 25 |
|
| 2 | you must have been [adj] | 25 |
|
| 3 | you must [verb] been [adj] | 24 |
|
| 4 | you must have been [adj] | 23 |
|
