| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it is [adv] [vb pp] | 58 |
|
| 2 | [verb] when it is [vb pp] | 54 |
|
| 3 | when it is [adv] [vb pp] | 47 |
|
| 4 | [verb] when it is [adv] | 19 |
|
