| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there [vb mod] [be] | 16142 |
|
| 2 | there [modal v] [be] | 16142 |
|
| 3 | [pron] must [be] | 9041 |
|
| 4 | there must [be] | 1467 |
|
