| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [be] | 94784 |
|
| 2 | [subord] it [be] | 40924 |
|
| 3 | whether [pron] [be] | 5312 |
|
| 4 | whether it [be] | 2311 |
|
