| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there [vb base] [been] [noun] | 474 |
|
| 2 | there [verb] [been] report | 26 |
|
| 3 | [pron] [vb base] [been] report | 16 |
|
| 4 | there [vb base] [be] report | 16 |
|
