| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] that is [verb] | 1775 |
|
| 2 | system that [be] [verb] | 41 |
|
| 3 | system that be [verb] | 41 |
|
| 4 | system [conj] is [verb] | 35 |
|
| 5 | system that [is] [verb] | 22 |
|
