| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] which have [vb pp] [prep] | 43 |
|
| 2 | [adj] system have [vb pp] [prep] | 33 |
|
| 3 | [adj] system which have [vb pp] | 22 |
|
| 4 | system which have [vb pp] [prep] | 15 |
|
