| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it is [adv] [vb pp] | 94 |
|
| 2 | [adv] when it is [vb pp] | 76 |
|
| 3 | when it is [adv] [vb pp] | 47 |
|
| 4 | [adv] when it is [adv] | 25 |
|
