| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [conj] it [be] [adv] | 477 |
|
| 2 | [vb infin] [subord] it [be] [adv] | 137 |
|
| 3 | [verb] whether it [be] [adv] | 73 |
|
| 4 | [vb infin] whether [pron] [be] [adv] | 70 |
|
| 5 | [vb infin] whether it [be] [adv] | 31 |
|
