| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that [is] [adv] [verb] | 545 |
|
| 2 | system [is] [adv] [verb] | 154 |
|
| 3 | system that [adv] [verb] | 23 |
|
| 4 | system that [is] [verb] | 22 |
|
| 5 | system that [is] [adv] | 22 |
|
