| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adv] [adj] [verb] | 6336 |
|
| 2 | it [be] [adj] [verb] whether | 193 |
|
| 3 | [be] [adv] [adj] [verb] whether | 106 |
|
| 4 | it [be] [adv] [adj] whether | 63 |
|
