| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] must [be] [prep] | 67 |
|
| 2 | [conj] there [modal v] [be] [prep] | 53 |
|
| 3 | [conj] there must [be] [prep] | 9 |
|
| 4 | [conj] there must [be] [prep] | 9 |
|
