| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there have been a | 2449 |
|
| 2 | there [verb] been a | 2449 |
|
| 3 | [pron] had been a | 1830 |
|
| 4 | there had been [art] | 1263 |
|
| 5 | there had been [art] | 1263 |
|
| 6 | there had been a | 777 |
|
| 7 | there [vb past] been a | 714 |
|
| 8 | there had [be] a | 656 |
|
| 9 | [ex0] had been a | 656 |
|
| 10 | there had been a | 656 |
|
| 11 | there had be a | 656 |
|
| 12 | there had [been] a | 656 |
|
