| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he could [verb] [prep] the | 209 |
|
| 2 | before he [verb] [prep] the | 81 |
|
| 3 | before he could [verb] the | 32 |
|
| 4 | before he could [verb] [prep] | 27 |
|
