| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there have been so many [noun] | 23 |
|
| 2 | there [verb] been so many [noun pl] | 22 |
|
| 3 | there [vb base] been so many [noun] | 16 |
|
| 4 | there have been so many [noun] | 14 |
|
| 5 | there had been so many [noun] | 7 |
|
| 6 | there [vb past] been so many [noun] | 7 |
|
