| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | system which [adv] [verb] | 38 |
|
| 2 | system which [adv] [verb] | 32 |
|
| 3 | system which [adv] [vb -s] | 21 |
|
| 4 | system which [adv] [vb past] | 9 |
|
| 5 | system which [adv] [vb base] | 7 |
|
| 6 | systems which [adv] [verb] | 6 |
|
| 7 | system which [adv] have | 5 |
|
