| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [be] | 94784 |
|
| 2 | [subord] it [be] | 40924 |
|
| 3 | although [pron] [be] | 5132 |
|
| 4 | although it [be] | 1841 |
|
