| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of a [noun sg] system | 163 |
|
| 2 | of a [noun] system | 150 |
|
| 3 | of an [noun] system | 29 |
|
| 4 | of a computer system | 12 |
|
| 5 | of a computer system | 11 |
|
| 6 | of a [noun prp] system | 9 |
|
| 7 | of a information system | 6 |
|
| 8 | of a information system | 6 |
|
| 9 | of a [noun pl] system | 6 |
|
