| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there [verb] been considerable | 94 |
|
| 2 | there have been considerable | 94 |
|
| 3 | there [vb -s] been considerable | 72 |
|
| 4 | there has been considerable | 72 |
|
| 5 | there [vb past] been considerable | 15 |
|
| 6 | there had been considerable | 15 |
|
| 7 | there have been considerable | 7 |
|
| 8 | there [vb base] been considerable | 7 |
|
