| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [verb] [adv] | 1689 |
|
| 2 | unless it is [verb] | 124 |
|
| 3 | unless it is [adv] | 48 |
|
| 4 | unless it [verb] [adv] | 39 |
|
