| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [conj] it is [verb] | 584 |
|
| 2 | [adv] [subord] it is [verb] | 467 |
|
| 3 | [adv] when it be [verb] | 194 |
|
| 4 | [adv] when it [be] [verb] | 194 |
|
| 5 | [adv] when [pron] is [verb] | 130 |
|
| 6 | [adv] when it [is] [verb] | 108 |
|
| 7 | [adv] when it is [verb] | 89 |
|
