| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | before it can [verb] [noun] | 9 |
|
| 2 | before it can [verb] [noun] | 9 |
|
| 3 | before it can [vb infin] [noun] | 9 |
|
| 4 | before it can [verb] [noun sg] | 7 |
|
