| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [conj] | 4434 |
|
| 2 | it [be] [subord] | 2343 |
|
| 3 | [pron] [be] whether | 63 |
|
| 4 | [pers pn] [be] whether | 49 |
|
| 5 | it [be] whether | 36 |
|
| 6 | it [be] whether | 36 |
|
