| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] system and a [noun] of | 9 |
|
| 2 | [noun] system and a [noun] of | 9 |
|
| 3 | system and a [adj] [noun] of | 5 |
|
| 4 | system and a [noun] of [noun] | 10 |
|
| 5 | system and a [noun] of [noun sg] | 6 |
|
