| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | before it is [adj] [verb] | 20 |
|
| 2 | before it [is] [adj] [to-vb] | 20 |
|
| 3 | before it [is] [adj] [verb] | 20 |
|
| 4 | before it [is] [adj] [verb] | 20 |
|
| 5 | before it [is] possible [verb] | 7 |
|
| 6 | before it [is] ready [verb] | 6 |
|
