| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [conj] it [is] | 1921 |
|
| 2 | [coord] although it [be] | 132 |
|
| 3 | [coord] although [pron] [is] | 124 |
|
| 4 | [conj] although it [is] | 92 |
|
