| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] [noun] | 468714 |
|
| 2 | although [pron] [noun] | 903 |
|
| 3 | although [prep] [noun] | 458 |
|
| 4 | although [prep] [pron] | 77 |
|
