| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must have [be] [verb] | 793 |
|
| 2 | not have [be] [verb] | 735 |
|
| 3 | must not [be] [verb] | 548 |
|
| 4 | must not have [be] | 23 |
|
| 5 | must not have [verb] | 11 |
|
