| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when they [verb] [prep] the | 402 |
|
| 2 | they [verb] [prep] the [num ord] | 148 |
|
| 3 | when they [verb] the [num ord] | 15 |
|
| 4 | when [verb] [prep] the [num ord] | 13 |
|
