| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [is] | 57817 |
|
| 2 | [subord] it [is] | 24815 |
|
| 3 | whether it [be] | 2311 |
|
| 4 | whether [pron] [is] | 2087 |
|
| 5 | whether it [is] | 1432 |
|
