| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | you must [verb] be [prep] | 11 |
|
| 2 | you must [verb] been [prep] | 11 |
|
| 3 | you must have [be] [prep] | 11 |
|
| 4 | you must have [be] [prep] | 11 |
|
| 5 | you must [vb infin] [be] [prep] | 11 |
|
| 6 | you must [verb] [been] [prep] | 11 |
|
| 7 | you must [verb] [be] [prep] | 11 |
|
