| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [conj] it [vb mod] | 483 |
|
| 2 | [is] [subord] it [vb mod] | 60 |
|
| 3 | [is] whether [pron] [vb mod] | 53 |
|
| 4 | [be] whether it [vb mod] | 15 |
|
| 5 | [is] whether it [vb mod] | 14 |
|
| 6 | [is] whether it [modal v] | 14 |
|
