| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there must [verb] [been] [adj] | 84 |
|
| 2 | there [modal v] [verb] [been] some | 67 |
|
| 3 | there [vb mod] [verb] [been] some | 67 |
|
| 4 | there must [verb] [been] [det] | 47 |
|
| 5 | [pron] must [verb] [been] some | 37 |
|
| 6 | there must [verb] [been] some | 24 |
|
| 7 | there must [verb] [been] some | 24 |
|
| 8 | there must [verb] [be] some | 24 |
|
