| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [be] [vb pp] at [adj] [noun] | 51 |
|
| 2 | [modal v] [be] [vb pp] at [adj] times | 33 |
|
| 3 | must [be] [vb pp] at [adj] [noun pl] | 29 |
|
| 4 | must [be] [vb pp] [prep] [adj] times | 5 |
|
| 5 | must [be] [vb pp] at [adj] time | 5 |
|
| 6 | must [be] [vb pp] at [adj] times | 5 |
|
| 7 | must [be] [verb] at [adj] times | 5 |
|
| 8 | must [be] [vb pp] at [adj] times | 5 |
|
| 9 | must [be] [vb pp] [prep] [adj] times | 5 |
|
