| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | although there have been some | 22 |
|
| 2 | although there [verb] been some | 22 |
|
| 3 | although there [verb] been some | 22 |
|
| 4 | although there [vb -s] been some | 11 |
|
| 5 | although there has been some | 11 |
|
| 6 | although there [vb base] been some | 8 |
|
| 7 | although there have been some | 8 |
|
