| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [conj] it [is] | 318 |
|
| 2 | [conj] although it [is] | 92 |
|
| 3 | [subord] although [pron] [is] | 25 |
|
| 4 | [subord] although it [be] | 21 |
|
