| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] before they [verb] [to-vb] | 11 |
|
| 2 | [adv] before they [verb] [to-vb] | 10 |
|
| 3 | [adv] before they [vb past] [to-vb] | 8 |
|
| 4 | long before they [verb] [to-vb] | 5 |
|
| 5 | long before they [verb] [to-vb] | 5 |
|
