| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adv] [num] [noun] before they | 15 |
|
| 2 | [prep] [adv] [num] [noun] before they | 15 |
|
| 3 | [prep] [adv] [num] [noun pl] before they | 14 |
|
| 4 | at [adv] [num] [noun] before they | 8 |
|
| 5 | [prep] least [num] [noun] before they | 8 |
|
| 6 | at [adv] [num] [noun] before they | 8 |
|
| 7 | for [adv] [num] [noun] before they | 7 |
|
| 8 | for [adv] [num] [noun] before they | 7 |
|
| 9 | [prep] [adv] [num] year before they | 6 |
|
| 10 | [prep] [adv] [num] years before they | 6 |
|
| 11 | [prep] [adv] two [noun] before they | 6 |
|
