| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there [modal v] [verb] be [det] | 145 |
|
| 2 | [pron] must [verb] be [det] | 85 |
|
| 3 | there must [verb] be [adj] | 84 |
|
| 4 | there must [verb] [be] [det] | 47 |
|
