| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | system [coord] [to-vb] [adj] [noun] | 7 |
|
| 2 | system [coord] [to-vb] [adj] [noun pl] | 7 |
|
| 3 | system and [to-vb] [adj] [noun] | 6 |
|
