| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] and [adj] systems [noun pl] | 11 |
|
| 2 | [noun sg] and [adj] systems [noun pl] | 7 |
|
| 3 | and [adj] systems [prep] [noun pl] | 6 |
|
| 4 | and [adj] systems [prep] [noun pl] | 6 |
|
