| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must [be] [adj] | 1754 |
|
| 2 | there [modal v] [be] [adj] | 1578 |
|
| 3 | there must [be] [adj] | 416 |
|
| 4 | there must [be] [adj] | 113 |
|
