| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] [adj] [noun] | 4590 |
|
| 2 | system [verb] [adj] [noun] | 167 |
|
| 3 | system which [verb] [noun] | 71 |
|
| 4 | system which [verb] [adj] | 50 |
|
