| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [verb] | 4623 |
|
| 2 | while it is [adv] | 91 |
|
| 3 | while it is [verb] | 59 |
|
| 4 | while it [adv] [verb] | 10 |
|
