| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [conj] it [verb] | 1071 |
|
| 2 | is [subord] it [verb] | 89 |
|
| 3 | is whether [pron] [verb] | 68 |
|
| 4 | be whether it [verb] | 22 |
|
| 5 | [be] whether it [verb] | 22 |
|
| 6 | [is] whether it [verb] | 20 |
|
| 7 | is whether it [verb] | 20 |
|
