| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [verb] | 4623 |
|
| 2 | whether it is [verb] | 122 |
|
| 3 | whether it is [adv] | 88 |
|
| 4 | whether it [adv] [verb] | 30 |
|
