| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have [adv] [verb] | 1382 |
|
| 2 | system which have [verb] | 59 |
|
| 3 | system have [adv] [verb] | 56 |
|
| 4 | system which [adv] [verb] | 38 |
|
| 5 | system which have [adv] | 17 |
|
