| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [conj] [noun] [noun] system for | 8 |
|
| 2 | [noun sg] [conj] [noun] [noun] system for | 8 |
|
| 3 | [conj] [noun] [noun] system for [noun] | 8 |
|
| 4 | [conj] [noun] [noun] system for [noun sg] | 6 |
|
