| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] can be [verb] | 3051 |
|
| 2 | system can be [verb] | 154 |
|
| 3 | system [conj] can [verb] | 31 |
|
| 4 | system [conj] can be | 25 |
|
