| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which be [verb] [prep] the | 3157 |
|
| 2 | system be [verb] [prep] the | 198 |
|
| 3 | system which be [verb] [prep] | 46 |
|
| 4 | system which [verb] [prep] the | 23 |
|
