| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | before they [vb past] [art] | 124 |
|
| 2 | before they [vb past] the | 109 |
|
| 3 | before they [vb past] the | 109 |
|
| 4 | before they reached [art] | 29 |
|
| 5 | before they [vb past] a | 15 |
|
| 6 | before they left [art] | 13 |
|
| 7 | before they [vb past] a | 13 |
|
| 8 | before they heard [art] | 6 |
|
| 9 | before they had [art] | 5 |
|
| 10 | before they hit [art] | 5 |
|
