| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must have [be] [adj] | 547 |
|
| 2 | must have [be] [prep] | 289 |
|
| 3 | must [be] [prep] [adj] | 89 |
|
| 4 | have [be] [prep] [adj] | 88 |
|
