| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | although there have been [det] | 33 |
|
| 2 | although [ex0] have been [det] | 33 |
|
| 3 | although there have been [det] | 33 |
|
| 4 | although [pron] have been [det] | 33 |
|
| 5 | although [pron] have been some | 22 |
|
| 6 | although [pron] have been [det] | 15 |
|
| 7 | although [pron] has been [det] | 15 |
|
