| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [conj] it [is] | 529 |
|
| 2 | [conj] although it [is] | 92 |
|
| 3 | but although it [be] | 15 |
|
| 4 | but although [pron] [is] | 14 |
|
