| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] which [verb] [det] | 2231 |
|
| 2 | system which [verb] [adj] | 95 |
|
| 3 | system [pron] [verb] [det] | 26 |
|
| 4 | system which [verb] [det] | 20 |
|
| 5 | system [Wh det] [verb] [det] | 20 |
|
