| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | system which [vb past] [adj] [noun] | 21 |
|
| 2 | system which [vb past] [adj] [noun] | 14 |
|
| 3 | system which [vb past] [adj] [noun pl] | 12 |
|
| 4 | system which [vb past] [adj] [noun sg] | 8 |
|
| 5 | system which [vb past] [det] [noun] | 6 |
|
