| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [verb] | 4623 |
|
| 2 | is [adv] [verb] when | 155 |
|
| 3 | it [adv] [verb] when | 51 |
|
| 4 | it is [adv] when | 34 |
|
| 5 | it is [verb] when | 25 |
|
