| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it when [pron] be [vb pp] [adv] | 8 |
|
| 2 | it when [pers pn] [be] [vb pp] [adv] | 7 |
|
| 3 | it when [pron] [was/were] [vb pp] [adv] | 5 |
|
| 4 | it when it [be] [vb pp] [adv] | 5 |
|
| 5 | it when it [be] [vb pp] [adv] | 5 |
|
