| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adj] [noun] system | 1101 |
|
| 2 | a [adj] [noun sg] system | 1054 |
|
| 3 | a new [noun] system | 106 |
|
| 4 | a [adj] operating system | 42 |
|
| 5 | a [adj] operating system | 42 |
|
| 6 | a [adj] [noun pl] system | 37 |
|
| 7 | a [adj] computer system | 34 |
|
| 8 | a [adj] computer system | 34 |
|
| 9 | a single [noun] system | 30 |
|
| 10 | a [adj] information system | 29 |
|
| 11 | a [adj] information system | 29 |
|
| 12 | a good [noun] system | 26 |
|
| 13 | a public [noun] system | 25 |
|
| 14 | a [adj] heating system | 25 |
|
| 15 | a [adj] heating system | 25 |
|
| 16 | a central [noun] system | 23 |
|
| 17 | a [adj] security system | 21 |
|
| 18 | a [adj] security system | 21 |
|
| 19 | a computerised [noun] system | 20 |
|
| 20 | a [adj] education system | 20 |
|
| 21 | a [adj] education system | 20 |
|
| 22 | a complex [noun] system | 17 |
|
| 23 | a different [noun] system | 16 |
|
| 24 | a national [noun] system | 14 |
|
| 25 | a simple [noun] system | 13 |
|
| 26 | a [adj] control system | 13 |
|
| 27 | a common [noun] system | 13 |
|
| 28 | a [adj] control system | 13 |
|
| 29 | a proper [noun] system | 12 |
|
| 30 | a [adj] communication system | 11 |
|
