| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] be [conj] it | 72 |
|
| 2 | system be [conj] it | 35 |
|
| 3 | [adj] system [conj] it | 33 |
|
| 4 | [adj] system be [conj] | 19 |
|
