| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | although there have [been] [det] | 15 |
|
| 2 | although there have been [det] | 15 |
|
| 3 | although there have [been] [det] | 15 |
|
| 4 | although there have [been] some | 8 |
|
