| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] system [coord] can be [vb pp] | 5 |
|
| 2 | [noun] system [coord] can be [vb pp] | 5 |
|
| 3 | system [coord] can be [vb pp] [prep] | 6 |
|
| 4 | system [coord] can be [vb pp] [prep] | 6 |
|
