| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | although [pron] have not yet been | 7 |
|
| 2 | although [pron] [verb] not yet been | 7 |
|
| 3 | although [pron] [verb] not yet been | 6 |
|
| 4 | although [pers pn] [verb] not yet been | 6 |
|
