| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [verb] | 4623 |
|
| 2 | unless it is [verb] | 124 |
|
| 3 | unless it is [adv] | 47 |
|
| 4 | unless it [adv] [verb] | 15 |
|
