| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] before it [is] [verb] | 14 |
|
| 2 | [adv] before it [is] [verb] | 14 |
|
| 3 | [adv] before it [is] [vb pp] | 14 |
|
| 4 | [adv] before it is [verb] | 10 |
|
